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Finding the Fourth Proportional to 223.23, 334.92 and 201.66

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Solution

The fourth proportional to 223.23, 334.92 and 201.66 is: 302.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.23 : 334.92 = 201.66 : x
  2. Step 2: Convert to fraction form
    223.23/334.92 = 201.66/x
  3. Step 3: Cross multiply
    223.23x = 334.92 × 201.66
  4. Step 4: Simplify right side
    223.23x = 67,539.97
  5. Step 5: Solve for x
    x = 67,539.97/223.23
  6. Step 6: Final answer
    x = 302.56

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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.