Finding the Fourth Proportional to 58.63, 87.99 and 26.55
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Solution
The fourth proportional to 58.63, 87.99 and 26.55 is: 39.85
Step by Step Solution
- Step 1: Write the proportion equation
58.63 : 87.99 = 26.55 : x - Step 2: Convert to fraction form
58.63/87.99 = 26.55/x - Step 3: Cross multiply
58.63x = 87.99 × 26.55 - Step 4: Simplify right side
58.63x = 2,336.13 - Step 5: Solve for x
x = 2,336.13/58.63 - Step 6: Final answer
x = 39.85
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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.