Ratio and Proportion

Ratio and Proportion

Objective: Find equivalent ratio and proportions

​Vocabulary

Ratio: represents the amount of one quantity in comparison to another quantity.

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​For example: the ratio of males to females in the English class was 3:5.

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​This means for every 3 males there are 5 females.

​Example

​Vocabulary

​Example

Multiple Choice

Is the ratio an equivalent proportion?

$$\frac{8}{9}=\frac{32}{36}$$  

• YES

• NO

​Example

​Example

The ratio of female nurses to male nurses at a certain hospital is 5 to 3, and there are actually 20 female nurses at the hospital. How many male nurses are there?