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Finding the Fourth Proportional to 224.82, 336.75 and 187.82

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Solution

The fourth proportional to 224.82, 336.75 and 187.82 is: 281.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.82 : 336.75 = 187.82 : x
  2. Step 2: Convert to fraction form
    224.82/336.75 = 187.82/x
  3. Step 3: Cross multiply
    224.82x = 336.75 × 187.82
  4. Step 4: Simplify right side
    224.82x = 63,248.52
  5. Step 5: Solve for x
    x = 63,248.52/224.82
  6. Step 6: Final answer
    x = 281.33

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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.