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Finding the Fourth Proportional to 250.20, 344.52 and 176.40

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Solution

The fourth proportional to 250.20, 344.52 and 176.40 is: 242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.20 : 344.52 = 176.40 : x
  2. Step 2: Convert to fraction form
    250.20/344.52 = 176.40/x
  3. Step 3: Cross multiply
    250.20x = 344.52 × 176.40
  4. Step 4: Simplify right side
    250.20x = 60,773.33
  5. Step 5: Solve for x
    x = 60,773.33/250.20
  6. Step 6: Final answer
    x = 242.90

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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.