Finding the Fourth Proportional to 58.62, 87.95 and 29.79
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Solution
The fourth proportional to 58.62, 87.95 and 29.79 is: 44.69
Step by Step Solution
- Step 1: Write the proportion equation
58.62 : 87.95 = 29.79 : x - Step 2: Convert to fraction form
58.62/87.95 = 29.79/x - Step 3: Cross multiply
58.62x = 87.95 × 29.79 - Step 4: Simplify right side
58.62x = 2,619.88 - Step 5: Solve for x
x = 2,619.88/58.62 - Step 6: Final answer
x = 44.69
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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.