Finding the Fourth Proportional to 58.11, 87.17 and 27.26
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Solution
The fourth proportional to 58.11, 87.17 and 27.26 is: 40.89
Step by Step Solution
- Step 1: Write the proportion equation
58.11 : 87.17 = 27.26 : x - Step 2: Convert to fraction form
58.11/87.17 = 27.26/x - Step 3: Cross multiply
58.11x = 87.17 × 27.26 - Step 4: Simplify right side
58.11x = 2,376.25 - Step 5: Solve for x
x = 2,376.25/58.11 - Step 6: Final answer
x = 40.89
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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.