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Finding the Fourth Proportional to 224.04, 335.34 and 147.18

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Solution

The fourth proportional to 224.04, 335.34 and 147.18 is: 220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.04 : 335.34 = 147.18 : x
  2. Step 2: Convert to fraction form
    224.04/335.34 = 147.18/x
  3. Step 3: Cross multiply
    224.04x = 335.34 × 147.18
  4. Step 4: Simplify right side
    224.04x = 49,355.34
  5. Step 5: Solve for x
    x = 49,355.34/224.04
  6. Step 6: Final answer
    x = 220.30

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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.