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Finding the Fourth Proportional to 363.15, 544.14 and 177.84

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Solution

The fourth proportional to 363.15, 544.14 and 177.84 is: 266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.15 : 544.14 = 177.84 : x
  2. Step 2: Convert to fraction form
    363.15/544.14 = 177.84/x
  3. Step 3: Cross multiply
    363.15x = 544.14 × 177.84
  4. Step 4: Simplify right side
    363.15x = 96,769.86
  5. Step 5: Solve for x
    x = 96,769.86/363.15
  6. Step 6: Final answer
    x = 266.47

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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.