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Finding the Fourth Proportional to 224.16, 335.55 and 146.95

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Solution

The fourth proportional to 224.16, 335.55 and 146.95 is: 219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.16 : 335.55 = 146.95 : x
  2. Step 2: Convert to fraction form
    224.16/335.55 = 146.95/x
  3. Step 3: Cross multiply
    224.16x = 335.55 × 146.95
  4. Step 4: Simplify right side
    224.16x = 49,309.07
  5. Step 5: Solve for x
    x = 49,309.07/224.16
  6. Step 6: Final answer
    x = 219.97

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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.