Proportions Ratios

The triangles are similar. Solve for x.

• 34

• 26
  

• 30

• 16
  

The triangles are similar. Solve for x.

• 9

• 8

• 7

• 10

Solve the proportion

• .75

• 1.88

• 1

• 6

Corresponding sides in similar figures are proportional

• True

• False

What is the zoom factor or scale factor from small to big of these 2 figures?

What is the zoom factor or scale factor from the large rectangle to the small rectangle?

• JLK

• KJL

• JKL

• LKJ

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

What is a Ratio?

• Is a comparison of two quantities 

• To multiply two fractions 

• A number over another number

• Two decimals that can be multiplied

Charlie Browns Christmas tree is 18 inches tall. The Christmas tree at Mr.Bass' house is 8 ft tall. What is the ratio of Charlie Browns tree to Mr. Bass' Tree?

• 18/8

• 8/18

• 3/16

• 16/3