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Finding the Fourth Proportional to 363.86, 544.96 and 219.26

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Solution

The fourth proportional to 363.86, 544.96 and 219.26 is: 328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.86 : 544.96 = 219.26 : x
  2. Step 2: Convert to fraction form
    363.86/544.96 = 219.26/x
  3. Step 3: Cross multiply
    363.86x = 544.96 × 219.26
  4. Step 4: Simplify right side
    363.86x = 119,487.93
  5. Step 5: Solve for x
    x = 119,487.93/363.86
  6. Step 6: Final answer
    x = 328.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.