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Finding the Fourth Proportional to 223.88, 335.85 and 194.97

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Solution

The fourth proportional to 223.88, 335.85 and 194.97 is: 292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.88 : 335.85 = 194.97 : x
  2. Step 2: Convert to fraction form
    223.88/335.85 = 194.97/x
  3. Step 3: Cross multiply
    223.88x = 335.85 × 194.97
  4. Step 4: Simplify right side
    223.88x = 65,479.70
  5. Step 5: Solve for x
    x = 65,479.70/223.88
  6. Step 6: Final answer
    x = 292.48

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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.