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Finding the Fourth Proportional to 223.38, 334.94 and 93.38

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Solution

The fourth proportional to 223.38, 334.94 and 93.38 is: 140.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.38 : 334.94 = 93.38 : x
  2. Step 2: Convert to fraction form
    223.38/334.94 = 93.38/x
  3. Step 3: Cross multiply
    223.38x = 334.94 × 93.38
  4. Step 4: Simplify right side
    223.38x = 31,276.70
  5. Step 5: Solve for x
    x = 31,276.70/223.38
  6. Step 6: Final answer
    x = 140.02

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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.