Finding the Fourth Proportional to 446.14, 615.68 and 249.66
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Solution
The fourth proportional to 446.14, 615.68 and 249.66 is: 344.53
Step by Step Solution
- Step 1: Write the proportion equation
446.14 : 615.68 = 249.66 : x - Step 2: Convert to fraction form
446.14/615.68 = 249.66/x - Step 3: Cross multiply
446.14x = 615.68 × 249.66 - Step 4: Simplify right side
446.14x = 153,710.67 - Step 5: Solve for x
x = 153,710.67/446.14 - Step 6: Final answer
x = 344.53
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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.