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Finding the Fourth Proportional to 224.22, 335.88 and 197.49

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Solution

The fourth proportional to 224.22, 335.88 and 197.49 is: 295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.22 : 335.88 = 197.49 : x
  2. Step 2: Convert to fraction form
    224.22/335.88 = 197.49/x
  3. Step 3: Cross multiply
    224.22x = 335.88 × 197.49
  4. Step 4: Simplify right side
    224.22x = 66,332.94
  5. Step 5: Solve for x
    x = 66,332.94/224.22
  6. Step 6: Final answer
    x = 295.84

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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.