Finding the Fourth Proportional to 157.26, 217 and 94.23
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Solution
The fourth proportional to 157.26, 217 and 94.23 is: 130.03
Step by Step Solution
- Step 1: Write the proportion equation
157.26 : 217 = 94.23 : x - Step 2: Convert to fraction form
157.26/217 = 94.23/x - Step 3: Cross multiply
157.26x = 217 × 94.23 - Step 4: Simplify right side
157.26x = 20,447.91 - Step 5: Solve for x
x = 20,447.91/157.26 - Step 6: Final answer
x = 130.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.