Finding the Fourth Proportional to 88.13, 132.11 and 49.65
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Solution
The fourth proportional to 88.13, 132.11 and 49.65 is: 74.43
Step by Step Solution
- Step 1: Write the proportion equation
88.13 : 132.11 = 49.65 : x - Step 2: Convert to fraction form
88.13/132.11 = 49.65/x - Step 3: Cross multiply
88.13x = 132.11 × 49.65 - Step 4: Simplify right side
88.13x = 6,559.26 - Step 5: Solve for x
x = 6,559.26/88.13 - Step 6: Final answer
x = 74.43
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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.