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Finding the Fourth Proportional to 224.82, 335.60 and 197.48

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Solution

The fourth proportional to 224.82, 335.60 and 197.48 is: 294.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.82 : 335.60 = 197.48 : x
  2. Step 2: Convert to fraction form
    224.82/335.60 = 197.48/x
  3. Step 3: Cross multiply
    224.82x = 335.60 × 197.48
  4. Step 4: Simplify right side
    224.82x = 66,275.62
  5. Step 5: Solve for x
    x = 66,275.62/224.82
  6. Step 6: Final answer
    x = 294.79

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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.