Finding the Fourth Proportional to 58.27, 87.41 and 19.75
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Solution
The fourth proportional to 58.27, 87.41 and 19.75 is: 29.63
Step by Step Solution
- Step 1: Write the proportion equation
58.27 : 87.41 = 19.75 : x - Step 2: Convert to fraction form
58.27/87.41 = 19.75/x - Step 3: Cross multiply
58.27x = 87.41 × 19.75 - Step 4: Simplify right side
58.27x = 1,726.18 - Step 5: Solve for x
x = 1,726.18/58.27 - Step 6: Final answer
x = 29.63
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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.