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Finding the Fourth Proportional to 297.39, 445.45 and 224.44

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Solution

The fourth proportional to 297.39, 445.45 and 224.44 is: 336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.39 : 445.45 = 224.44 : x
  2. Step 2: Convert to fraction form
    297.39/445.45 = 224.44/x
  3. Step 3: Cross multiply
    297.39x = 445.45 × 224.44
  4. Step 4: Simplify right side
    297.39x = 99,976.80
  5. Step 5: Solve for x
    x = 99,976.80/297.39
  6. Step 6: Final answer
    x = 336.18

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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.