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Finding the Fourth Proportional to 224.54, 335.33 and 191.69

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Solution

The fourth proportional to 224.54, 335.33 and 191.69 is: 286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.54 : 335.33 = 191.69 : x
  2. Step 2: Convert to fraction form
    224.54/335.33 = 191.69/x
  3. Step 3: Cross multiply
    224.54x = 335.33 × 191.69
  4. Step 4: Simplify right side
    224.54x = 64,279.41
  5. Step 5: Solve for x
    x = 64,279.41/224.54
  6. Step 6: Final answer
    x = 286.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.