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Finding the Fourth Proportional to 250.88, 346.92 and 229.12

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Solution

The fourth proportional to 250.88, 346.92 and 229.12 is: 316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.88 : 346.92 = 229.12 : x
  2. Step 2: Convert to fraction form
    250.88/346.92 = 229.12/x
  3. Step 3: Cross multiply
    250.88x = 346.92 × 229.12
  4. Step 4: Simplify right side
    250.88x = 79,486.31
  5. Step 5: Solve for x
    x = 79,486.31/250.88
  6. Step 6: Final answer
    x = 316.83

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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.