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Finding the Fourth Proportional to 363.27, 500.64 and 258.36

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Solution

The fourth proportional to 363.27, 500.64 and 258.36 is: 356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.27 : 500.64 = 258.36 : x
  2. Step 2: Convert to fraction form
    363.27/500.64 = 258.36/x
  3. Step 3: Cross multiply
    363.27x = 500.64 × 258.36
  4. Step 4: Simplify right side
    363.27x = 129,345.35
  5. Step 5: Solve for x
    x = 129,345.35/363.27
  6. Step 6: Final answer
    x = 356.06

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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.