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Finding the Fourth Proportional to 249.94, 344.73 and 200.62

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Solution

The fourth proportional to 249.94, 344.73 and 200.62 is: 276.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.94 : 344.73 = 200.62 : x
  2. Step 2: Convert to fraction form
    249.94/344.73 = 200.62/x
  3. Step 3: Cross multiply
    249.94x = 344.73 × 200.62
  4. Step 4: Simplify right side
    249.94x = 69,159.73
  5. Step 5: Solve for x
    x = 69,159.73/249.94
  6. Step 6: Final answer
    x = 276.71

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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.