Finding the Fourth Proportional to 445.70, 615.08 and 249.23
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Solution
The fourth proportional to 445.70, 615.08 and 249.23 is: 343.94
Step by Step Solution
- Step 1: Write the proportion equation
445.70 : 615.08 = 249.23 : x - Step 2: Convert to fraction form
445.70/615.08 = 249.23/x - Step 3: Cross multiply
445.70x = 615.08 × 249.23 - Step 4: Simplify right side
445.70x = 153,292.07 - Step 5: Solve for x
x = 153,292.07/445.70 - Step 6: Final answer
x = 343.94
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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.