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Finding the Fourth Proportional to 223.44, 335.48 and 197.97

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Solution

The fourth proportional to 223.44, 335.48 and 197.97 is: 297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.44 : 335.48 = 197.97 : x
  2. Step 2: Convert to fraction form
    223.44/335.48 = 197.97/x
  3. Step 3: Cross multiply
    223.44x = 335.48 × 197.97
  4. Step 4: Simplify right side
    223.44x = 66,414.98
  5. Step 5: Solve for x
    x = 66,414.98/223.44
  6. Step 6: Final answer
    x = 297.24

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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.