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Finding the Fourth Proportional to 336.62, 464.49 and 196.76

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Solution

The fourth proportional to 336.62, 464.49 and 196.76 is: 271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.62 : 464.49 = 196.76 : x
  2. Step 2: Convert to fraction form
    336.62/464.49 = 196.76/x
  3. Step 3: Cross multiply
    336.62x = 464.49 × 196.76
  4. Step 4: Simplify right side
    336.62x = 91,394.95
  5. Step 5: Solve for x
    x = 91,394.95/336.62
  6. Step 6: Final answer
    x = 271.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.