Finding the Fourth Proportional to 349.26, 482.38 and 232.62
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Solution
The fourth proportional to 349.26, 482.38 and 232.62 is: 321.28
Step by Step Solution
- Step 1: Write the proportion equation
349.26 : 482.38 = 232.62 : x - Step 2: Convert to fraction form
349.26/482.38 = 232.62/x - Step 3: Cross multiply
349.26x = 482.38 × 232.62 - Step 4: Simplify right side
349.26x = 112,211.24 - Step 5: Solve for x
x = 112,211.24/349.26 - Step 6: Final answer
x = 321.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.