Finding the Fourth Proportional to 446.19, 615.70 and 249.69
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Solution
The fourth proportional to 446.19, 615.70 and 249.69 is: 344.55
Step by Step Solution
- Step 1: Write the proportion equation
446.19 : 615.70 = 249.69 : x - Step 2: Convert to fraction form
446.19/615.70 = 249.69/x - Step 3: Cross multiply
446.19x = 615.70 × 249.69 - Step 4: Simplify right side
446.19x = 153,734.13 - Step 5: Solve for x
x = 153,734.13/446.19 - Step 6: Final answer
x = 344.55
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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.