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Finding the Fourth Proportional to 574.52, 792.28 and 425.04

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Solution

The fourth proportional to 574.52, 792.28 and 425.04 is: 586.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.52 : 792.28 = 425.04 : x
  2. Step 2: Convert to fraction form
    574.52/792.28 = 425.04/x
  3. Step 3: Cross multiply
    574.52x = 792.28 × 425.04
  4. Step 4: Simplify right side
    574.52x = 336,750.69
  5. Step 5: Solve for x
    x = 336,750.69/574.52
  6. Step 6: Final answer
    x = 586.14

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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.