Finding the Fourth Proportional to 424.44, 585.74 and 249.79
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Solution
The fourth proportional to 424.44, 585.74 and 249.79 is: 344.72
Step by Step Solution
- Step 1: Write the proportion equation
424.44 : 585.74 = 249.79 : x - Step 2: Convert to fraction form
424.44/585.74 = 249.79/x - Step 3: Cross multiply
424.44x = 585.74 × 249.79 - Step 4: Simplify right side
424.44x = 146,311.99 - Step 5: Solve for x
x = 146,311.99/424.44 - Step 6: Final answer
x = 344.72
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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.