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Finding the Fourth Proportional to 575.29, 862.89 and 250.57

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Solution

The fourth proportional to 575.29, 862.89 and 250.57 is: 375.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.29 : 862.89 = 250.57 : x
  2. Step 2: Convert to fraction form
    575.29/862.89 = 250.57/x
  3. Step 3: Cross multiply
    575.29x = 862.89 × 250.57
  4. Step 4: Simplify right side
    575.29x = 216,214.35
  5. Step 5: Solve for x
    x = 216,214.35/575.29
  6. Step 6: Final answer
    x = 375.84

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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.