Finding the Fourth Proportional to 340.26, 508.99 and 271.91
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Solution
The fourth proportional to 340.26, 508.99 and 271.91 is: 406.75
Step by Step Solution
- Step 1: Write the proportion equation
340.26 : 508.99 = 271.91 : x - Step 2: Convert to fraction form
340.26/508.99 = 271.91/x - Step 3: Cross multiply
340.26x = 508.99 × 271.91 - Step 4: Simplify right side
340.26x = 138,399.47 - Step 5: Solve for x
x = 138,399.47/340.26 - Step 6: Final answer
x = 406.75
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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.