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Finding the Fourth Proportional to 224.46, 335.04 and 198.54

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Solution

The fourth proportional to 224.46, 335.04 and 198.54 is: 296.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.46 : 335.04 = 198.54 : x
  2. Step 2: Convert to fraction form
    224.46/335.04 = 198.54/x
  3. Step 3: Cross multiply
    224.46x = 335.04 × 198.54
  4. Step 4: Simplify right side
    224.46x = 66,518.84
  5. Step 5: Solve for x
    x = 66,518.84/224.46
  6. Step 6: Final answer
    x = 296.35

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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.