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Finding the Fourth Proportional to 229.30, 316.24 and 182.61

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Solution

The fourth proportional to 229.30, 316.24 and 182.61 is: 251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.30 : 316.24 = 182.61 : x
  2. Step 2: Convert to fraction form
    229.30/316.24 = 182.61/x
  3. Step 3: Cross multiply
    229.30x = 316.24 × 182.61
  4. Step 4: Simplify right side
    229.30x = 57,748.59
  5. Step 5: Solve for x
    x = 57,748.59/229.30
  6. Step 6: Final answer
    x = 251.85

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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.