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Finding the Fourth Proportional to 224.88, 336.90 and 200.64

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Solution

The fourth proportional to 224.88, 336.90 and 200.64 is: 300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.88 : 336.90 = 200.64 : x
  2. Step 2: Convert to fraction form
    224.88/336.90 = 200.64/x
  3. Step 3: Cross multiply
    224.88x = 336.90 × 200.64
  4. Step 4: Simplify right side
    224.88x = 67,595.62
  5. Step 5: Solve for x
    x = 67,595.62/224.88
  6. Step 6: Final answer
    x = 300.59

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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.