Finding the Fourth Proportional to 424.68, 585.99 and 247.65
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Solution
The fourth proportional to 424.68, 585.99 and 247.65 is: 341.72
Step by Step Solution
- Step 1: Write the proportion equation
424.68 : 585.99 = 247.65 : x - Step 2: Convert to fraction form
424.68/585.99 = 247.65/x - Step 3: Cross multiply
424.68x = 585.99 × 247.65 - Step 4: Simplify right side
424.68x = 145,120.42 - Step 5: Solve for x
x = 145,120.42/424.68 - Step 6: Final answer
x = 341.72
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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.