Finding the Fourth Proportional to 531.36, 733.84 and 366
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Solution
The fourth proportional to 531.36, 733.84 and 366 is: 505.47
Step by Step Solution
- Step 1: Write the proportion equation
531.36 : 733.84 = 366 : x - Step 2: Convert to fraction form
531.36/733.84 = 366/x - Step 3: Cross multiply
531.36x = 733.84 × 366 - Step 4: Simplify right side
531.36x = 268,585.44 - Step 5: Solve for x
x = 268,585.44/531.36 - Step 6: Final answer
x = 505.47
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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.