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Finding the Fourth Proportional to 224.20, 308.80 and 182.68

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Solution

The fourth proportional to 224.20, 308.80 and 182.68 is: 251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.20 : 308.80 = 182.68 : x
  2. Step 2: Convert to fraction form
    224.20/308.80 = 182.68/x
  3. Step 3: Cross multiply
    224.20x = 308.80 × 182.68
  4. Step 4: Simplify right side
    224.20x = 56,411.58
  5. Step 5: Solve for x
    x = 56,411.58/224.20
  6. Step 6: Final answer
    x = 251.61

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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.