Proportions and Constant of Proportionality in Tables

Determine the missing value in the table.

• 15

• 3

• 1/3

• 9

Is the given table a proportional relationship? If so, what is the constant?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

Solve the proportion.

• 1

• 3

• 6

• 5

Find the unit rate: $3.60 for 3 pounds of apples.

• $1.00 per pound

• $3.60 per pound

• $1.20 per pound

• $1.10 per pound

If the Cross Products are equal, then..................

• the two ratios are NOT proportional.

• the two ratios are proportional

What is the constant of proportionality?

• $3

• $4

• $2

• $9

What is the constant of proportionality?

• 3

• 4

• 2

• 5

What is the constant of proportionality? 

• 45 mph

• 90 mph

• 135 mph

• 2 mph

You travel 150 miles on 5 gallons. How far did you travel per gallon?

• 15 miles

• 30 miles

• 3 miles

• 25 miles

Which graph is non-proportional?

• A

• B

• C

• D