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Finding the Fourth Proportional to 575.80, 864.27 and 344.92

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Solution

The fourth proportional to 575.80, 864.27 and 344.92 is: 517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.80 : 864.27 = 344.92 : x
  2. Step 2: Convert to fraction form
    575.80/864.27 = 344.92/x
  3. Step 3: Cross multiply
    575.80x = 864.27 × 344.92
  4. Step 4: Simplify right side
    575.80x = 298,104.01
  5. Step 5: Solve for x
    x = 298,104.01/575.80
  6. Step 6: Final answer
    x = 517.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.