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Finding the Fourth Proportional to 395.92, 593.84 and 122.02

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Solution

The fourth proportional to 395.92, 593.84 and 122.02 is: 183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.92 : 593.84 = 122.02 : x
  2. Step 2: Convert to fraction form
    395.92/593.84 = 122.02/x
  3. Step 3: Cross multiply
    395.92x = 593.84 × 122.02
  4. Step 4: Simplify right side
    395.92x = 72,456.78
  5. Step 5: Solve for x
    x = 72,456.78/395.92
  6. Step 6: Final answer
    x = 183.01

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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.