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Finding the Fourth Proportional to 395.75, 593.90 and 179.35

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Solution

The fourth proportional to 395.75, 593.90 and 179.35 is: 269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.75 : 593.90 = 179.35 : x
  2. Step 2: Convert to fraction form
    395.75/593.90 = 179.35/x
  3. Step 3: Cross multiply
    395.75x = 593.90 × 179.35
  4. Step 4: Simplify right side
    395.75x = 106,515.97
  5. Step 5: Solve for x
    x = 106,515.97/395.75
  6. Step 6: Final answer
    x = 269.15

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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.