Finding the Fourth Proportional to 58.70, 88.02 and 29.78
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Solution
The fourth proportional to 58.70, 88.02 and 29.78 is: 44.65
Step by Step Solution
- Step 1: Write the proportion equation
58.70 : 88.02 = 29.78 : x - Step 2: Convert to fraction form
58.70/88.02 = 29.78/x - Step 3: Cross multiply
58.70x = 88.02 × 29.78 - Step 4: Simplify right side
58.70x = 2,621.24 - Step 5: Solve for x
x = 2,621.24/58.70 - Step 6: Final answer
x = 44.65
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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.