Finding the Fourth Proportional to 58.19, 87.26 and 17.62
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Solution
The fourth proportional to 58.19, 87.26 and 17.62 is: 26.42
Step by Step Solution
- Step 1: Write the proportion equation
58.19 : 87.26 = 17.62 : x - Step 2: Convert to fraction form
58.19/87.26 = 17.62/x - Step 3: Cross multiply
58.19x = 87.26 × 17.62 - Step 4: Simplify right side
58.19x = 1,537.21 - Step 5: Solve for x
x = 1,537.21/58.19 - Step 6: Final answer
x = 26.42
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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.