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Finding the Fourth Proportional to 363.07, 544.69 and 119.59

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Solution

The fourth proportional to 363.07, 544.69 and 119.59 is: 179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.07 : 544.69 = 119.59 : x
  2. Step 2: Convert to fraction form
    363.07/544.69 = 119.59/x
  3. Step 3: Cross multiply
    363.07x = 544.69 × 119.59
  4. Step 4: Simplify right side
    363.07x = 65,136.16
  5. Step 5: Solve for x
    x = 65,136.16/363.07
  6. Step 6: Final answer
    x = 179.40

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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.