Finding the Fourth Proportional to 442.26, 664.74 and 351
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Solution
The fourth proportional to 442.26, 664.74 and 351 is: 527.57
Step by Step Solution
- Step 1: Write the proportion equation
442.26 : 664.74 = 351 : x - Step 2: Convert to fraction form
442.26/664.74 = 351/x - Step 3: Cross multiply
442.26x = 664.74 × 351 - Step 4: Simplify right side
442.26x = 233,323.74 - Step 5: Solve for x
x = 233,323.74/442.26 - Step 6: Final answer
x = 527.57
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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.