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Finding the Fourth Proportional to 395.04, 593.37 and 326.81

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Solution

The fourth proportional to 395.04, 593.37 and 326.81 is: 490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.04 : 593.37 = 326.81 : x
  2. Step 2: Convert to fraction form
    395.04/593.37 = 326.81/x
  3. Step 3: Cross multiply
    395.04x = 593.37 × 326.81
  4. Step 4: Simplify right side
    395.04x = 193,916.28
  5. Step 5: Solve for x
    x = 193,916.28/395.04
  6. Step 6: Final answer
    x = 490.88

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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.