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Finding the Fourth Proportional to 224.17, 309.37 and 125.95

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Solution

The fourth proportional to 224.17, 309.37 and 125.95 is: 173.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.17 : 309.37 = 125.95 : x
  2. Step 2: Convert to fraction form
    224.17/309.37 = 125.95/x
  3. Step 3: Cross multiply
    224.17x = 309.37 × 125.95
  4. Step 4: Simplify right side
    224.17x = 38,965.15
  5. Step 5: Solve for x
    x = 38,965.15/224.17
  6. Step 6: Final answer
    x = 173.82

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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.