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Finding the Fourth Proportional to 251.24, 344.45 and 250.83

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Solution

The fourth proportional to 251.24, 344.45 and 250.83 is: 343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.24 : 344.45 = 250.83 : x
  2. Step 2: Convert to fraction form
    251.24/344.45 = 250.83/x
  3. Step 3: Cross multiply
    251.24x = 344.45 × 250.83
  4. Step 4: Simplify right side
    251.24x = 86,399.02
  5. Step 5: Solve for x
    x = 86,399.02/251.24
  6. Step 6: Final answer
    x = 343.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.