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Finding the Fourth Proportional to 415.92, 573.84 and 241.14

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Solution

The fourth proportional to 415.92, 573.84 and 241.14 is: 332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    415.92 : 573.84 = 241.14 : x
  2. Step 2: Convert to fraction form
    415.92/573.84 = 241.14/x
  3. Step 3: Cross multiply
    415.92x = 573.84 × 241.14
  4. Step 4: Simplify right side
    415.92x = 138,375.78
  5. Step 5: Solve for x
    x = 138,375.78/415.92
  6. Step 6: Final answer
    x = 332.70

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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.