Finding the Fourth Proportional to 417.24, 575.84 and 240.21
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Solution
The fourth proportional to 417.24, 575.84 and 240.21 is: 331.52
Step by Step Solution
- Step 1: Write the proportion equation
417.24 : 575.84 = 240.21 : x - Step 2: Convert to fraction form
417.24/575.84 = 240.21/x - Step 3: Cross multiply
417.24x = 575.84 × 240.21 - Step 4: Simplify right side
417.24x = 138,323.13 - Step 5: Solve for x
x = 138,323.13/417.24 - Step 6: Final answer
x = 331.52
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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.