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Finding the Fourth Proportional to 363.98, 502.16 and 232.76

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Solution

The fourth proportional to 363.98, 502.16 and 232.76 is: 321.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.98 : 502.16 = 232.76 : x
  2. Step 2: Convert to fraction form
    363.98/502.16 = 232.76/x
  3. Step 3: Cross multiply
    363.98x = 502.16 × 232.76
  4. Step 4: Simplify right side
    363.98x = 116,881.60
  5. Step 5: Solve for x
    x = 116,881.60/363.98
  6. Step 6: Final answer
    x = 321.12

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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.