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Finding the Fourth Proportional to 223.16, 335.26 and 200.12

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Solution

The fourth proportional to 223.16, 335.26 and 200.12 is: 300.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.16 : 335.26 = 200.12 : x
  2. Step 2: Convert to fraction form
    223.16/335.26 = 200.12/x
  3. Step 3: Cross multiply
    223.16x = 335.26 × 200.12
  4. Step 4: Simplify right side
    223.16x = 67,092.23
  5. Step 5: Solve for x
    x = 67,092.23/223.16
  6. Step 6: Final answer
    x = 300.65

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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.