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Finding the Fourth Proportional to 396.01, 594.02 and 231.38

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Solution

The fourth proportional to 396.01, 594.02 and 231.38 is: 347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.01 : 594.02 = 231.38 : x
  2. Step 2: Convert to fraction form
    396.01/594.02 = 231.38/x
  3. Step 3: Cross multiply
    396.01x = 594.02 × 231.38
  4. Step 4: Simplify right side
    396.01x = 137,444.35
  5. Step 5: Solve for x
    x = 137,444.35/396.01
  6. Step 6: Final answer
    x = 347.07

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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.