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Finding the Fourth Proportional to 363.03, 544.23 and 131.89

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Solution

The fourth proportional to 363.03, 544.23 and 131.89 is: 197.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.03 : 544.23 = 131.89 : x
  2. Step 2: Convert to fraction form
    363.03/544.23 = 131.89/x
  3. Step 3: Cross multiply
    363.03x = 544.23 × 131.89
  4. Step 4: Simplify right side
    363.03x = 71,777.13
  5. Step 5: Solve for x
    x = 71,777.13/363.03
  6. Step 6: Final answer
    x = 197.72

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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.