Is the Ratio Proportional

Which situation BEST represents a proportional relationship?

• Sam sold 2 bracelets for $3 and 3 bracelets for $5.

• Jimmy ran 3 miles in 30 minutes and 5 miles in 45 minutes. 

• Larry packed 27 glasses in 9 cases and 45 glasses in 15 cases. 

•  Finn placed 8 markers in 2 boxes and 16 markers in 8 boxes. 

Determine if the ratios are proportional.
4/5 and 15/20

• Yes

• No

Do these ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

You earn $20 allowance each week and an additional $2 per chore.

• Proportional

• Non-Proportional

Which table shows a proportional relationship?

• A

• B

• C

• D

• Proportional

• Nonproportional

You drive 330 miles in 5.5 hours and 90 miles in 1.5 hours

• Proportional

• Not Proportional

You go bowling with your friends. You pay $5 per game and a $3.50 shoe rental fee.

• Proportional

• Not Proportional

You drive at a constant speed of 55 miles per hour.

• Proportional

• Not Proportional

Which statement best describes the relationship of x and y in the table?

• Proportional

• Not Proportional