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Finding the Fourth Proportional to 224.21, 335.27 and 199.98

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Solution

The fourth proportional to 224.21, 335.27 and 199.98 is: 299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.21 : 335.27 = 199.98 : x
  2. Step 2: Convert to fraction form
    224.21/335.27 = 199.98/x
  3. Step 3: Cross multiply
    224.21x = 335.27 × 199.98
  4. Step 4: Simplify right side
    224.21x = 67,045.62
  5. Step 5: Solve for x
    x = 67,045.62/224.21
  6. Step 6: Final answer
    x = 299.03

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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.