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Finding the Fourth Proportional to 363.06, 500.82 and 231.84

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Solution

The fourth proportional to 363.06, 500.82 and 231.84 is: 319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.06 : 500.82 = 231.84 : x
  2. Step 2: Convert to fraction form
    363.06/500.82 = 231.84/x
  3. Step 3: Cross multiply
    363.06x = 500.82 × 231.84
  4. Step 4: Simplify right side
    363.06x = 116,110.11
  5. Step 5: Solve for x
    x = 116,110.11/363.06
  6. Step 6: Final answer
    x = 319.81

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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.