Finding the Fourth Proportional to 88.24, 132.44 and 47.62
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Solution
The fourth proportional to 88.24, 132.44 and 47.62 is: 71.47
Step by Step Solution
- Step 1: Write the proportion equation
88.24 : 132.44 = 47.62 : x - Step 2: Convert to fraction form
88.24/132.44 = 47.62/x - Step 3: Cross multiply
88.24x = 132.44 × 47.62 - Step 4: Simplify right side
88.24x = 6,306.79 - Step 5: Solve for x
x = 6,306.79/88.24 - Step 6: Final answer
x = 71.47
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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.