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Finding the Fourth Proportional to 363.44, 502.10 and 239.05

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Solution

The fourth proportional to 363.44, 502.10 and 239.05 is: 330.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.44 : 502.10 = 239.05 : x
  2. Step 2: Convert to fraction form
    363.44/502.10 = 239.05/x
  3. Step 3: Cross multiply
    363.44x = 502.10 × 239.05
  4. Step 4: Simplify right side
    363.44x = 120,027.33
  5. Step 5: Solve for x
    x = 120,027.33/363.44
  6. Step 6: Final answer
    x = 330.26

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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.