Finding the Fourth Proportional to 88.62, 133.11 and 61.62
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Solution
The fourth proportional to 88.62, 133.11 and 61.62 is: 92.56
Step by Step Solution
- Step 1: Write the proportion equation
88.62 : 133.11 = 61.62 : x - Step 2: Convert to fraction form
88.62/133.11 = 61.62/x - Step 3: Cross multiply
88.62x = 133.11 × 61.62 - Step 4: Simplify right side
88.62x = 8,202.24 - Step 5: Solve for x
x = 8,202.24/88.62 - Step 6: Final answer
x = 92.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.