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Finding the Fourth Proportional to 363.11, 544.64 and 119.60

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Solution

The fourth proportional to 363.11, 544.64 and 119.60 is: 179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.11 : 544.64 = 119.60 : x
  2. Step 2: Convert to fraction form
    363.11/544.64 = 119.60/x
  3. Step 3: Cross multiply
    363.11x = 544.64 × 119.60
  4. Step 4: Simplify right side
    363.11x = 65,135.62
  5. Step 5: Solve for x
    x = 65,135.62/363.11
  6. Step 6: Final answer
    x = 179.39

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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.