Finding the Fourth Proportional to 271.03, 406.61 and 95.31
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Solution
The fourth proportional to 271.03, 406.61 and 95.31 is: 142.99
Step by Step Solution
- Step 1: Write the proportion equation
271.03 : 406.61 = 95.31 : x - Step 2: Convert to fraction form
271.03/406.61 = 95.31/x - Step 3: Cross multiply
271.03x = 406.61 × 95.31 - Step 4: Simplify right side
271.03x = 38,753.88 - Step 5: Solve for x
x = 38,753.88/271.03 - Step 6: Final answer
x = 142.99
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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.