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Finding the Fourth Proportional to 223.24, 335.03 and 155.24

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Solution

The fourth proportional to 223.24, 335.03 and 155.24 is: 232.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.24 : 335.03 = 155.24 : x
  2. Step 2: Convert to fraction form
    223.24/335.03 = 155.24/x
  3. Step 3: Cross multiply
    223.24x = 335.03 × 155.24
  4. Step 4: Simplify right side
    223.24x = 52,010.06
  5. Step 5: Solve for x
    x = 52,010.06/223.24
  6. Step 6: Final answer
    x = 232.98

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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.