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Finding the Fourth Proportional to 249.65, 344.56 and 174.92

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Solution

The fourth proportional to 249.65, 344.56 and 174.92 is: 241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.65 : 344.56 = 174.92 : x
  2. Step 2: Convert to fraction form
    249.65/344.56 = 174.92/x
  3. Step 3: Cross multiply
    249.65x = 344.56 × 174.92
  4. Step 4: Simplify right side
    249.65x = 60,271.73
  5. Step 5: Solve for x
    x = 60,271.73/249.65
  6. Step 6: Final answer
    x = 241.43

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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.