Finding the Fourth Proportional to 252.62, 378.97 and 88.08
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Solution
The fourth proportional to 252.62, 378.97 and 88.08 is: 132.13
Step by Step Solution
- Step 1: Write the proportion equation
252.62 : 378.97 = 88.08 : x - Step 2: Convert to fraction form
252.62/378.97 = 88.08/x - Step 3: Cross multiply
252.62x = 378.97 × 88.08 - Step 4: Simplify right side
252.62x = 33,377.78 - Step 5: Solve for x
x = 33,377.78/252.62 - Step 6: Final answer
x = 132.13
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.