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Finding the Fourth Proportional to 363.26, 544.15 and 167.98

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Solution

The fourth proportional to 363.26, 544.15 and 167.98 is: 251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.26 : 544.15 = 167.98 : x
  2. Step 2: Convert to fraction form
    363.26/544.15 = 167.98/x
  3. Step 3: Cross multiply
    363.26x = 544.15 × 167.98
  4. Step 4: Simplify right side
    363.26x = 91,403.60
  5. Step 5: Solve for x
    x = 91,403.60/363.26
  6. Step 6: Final answer
    x = 251.62

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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.