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Finding the Fourth Proportional to 396.02, 593.83 and 231.55

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Solution

The fourth proportional to 396.02, 593.83 and 231.55 is: 347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.02 : 593.83 = 231.55 : x
  2. Step 2: Convert to fraction form
    396.02/593.83 = 231.55/x
  3. Step 3: Cross multiply
    396.02x = 593.83 × 231.55
  4. Step 4: Simplify right side
    396.02x = 137,497.21
  5. Step 5: Solve for x
    x = 137,497.21/396.02
  6. Step 6: Final answer
    x = 347.20

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