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Finding the Fourth Proportional to 232.56, 346.50 and 216

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Solution

The fourth proportional to 232.56, 346.50 and 216 is: 321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.56 : 346.50 = 216 : x
  2. Step 2: Convert to fraction form
    232.56/346.50 = 216/x
  3. Step 3: Cross multiply
    232.56x = 346.50 × 216
  4. Step 4: Simplify right side
    232.56x = 74,844
  5. Step 5: Solve for x
    x = 74,844/232.56
  6. Step 6: Final answer
    x = 321.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.