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Finding the Fourth Proportional to 363.07, 500.83 and 238.74

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Solution

The fourth proportional to 363.07, 500.83 and 238.74 is: 329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.07 : 500.83 = 238.74 : x
  2. Step 2: Convert to fraction form
    363.07/500.83 = 238.74/x
  3. Step 3: Cross multiply
    363.07x = 500.83 × 238.74
  4. Step 4: Simplify right side
    363.07x = 119,568.15
  5. Step 5: Solve for x
    x = 119,568.15/363.07
  6. Step 6: Final answer
    x = 329.33

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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.