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Finding the Fourth Proportional to 224.80, 337.18 and 94.77

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Solution

The fourth proportional to 224.80, 337.18 and 94.77 is: 142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.80 : 337.18 = 94.77 : x
  2. Step 2: Convert to fraction form
    224.80/337.18 = 94.77/x
  3. Step 3: Cross multiply
    224.80x = 337.18 × 94.77
  4. Step 4: Simplify right side
    224.80x = 31,954.55
  5. Step 5: Solve for x
    x = 31,954.55/224.80
  6. Step 6: Final answer
    x = 142.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.