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Finding the Fourth Proportional to 232.98, 321.30 and 183.21

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Solution

The fourth proportional to 232.98, 321.30 and 183.21 is: 252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.98 : 321.30 = 183.21 : x
  2. Step 2: Convert to fraction form
    232.98/321.30 = 183.21/x
  3. Step 3: Cross multiply
    232.98x = 321.30 × 183.21
  4. Step 4: Simplify right side
    232.98x = 58,865.37
  5. Step 5: Solve for x
    x = 58,865.37/232.98
  6. Step 6: Final answer
    x = 252.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.