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Finding the Fourth Proportional to 396.48, 593.32 and 242.36

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Solution

The fourth proportional to 396.48, 593.32 and 242.36 is: 362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.48 : 593.32 = 242.36 : x
  2. Step 2: Convert to fraction form
    396.48/593.32 = 242.36/x
  3. Step 3: Cross multiply
    396.48x = 593.32 × 242.36
  4. Step 4: Simplify right side
    396.48x = 143,797.04
  5. Step 5: Solve for x
    x = 143,797.04/396.48
  6. Step 6: Final answer
    x = 362.68

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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.