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Finding the Fourth Proportional to 336.22, 464.03 and 196.43

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Solution

The fourth proportional to 336.22, 464.03 and 196.43 is: 271.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.22 : 464.03 = 196.43 : x
  2. Step 2: Convert to fraction form
    336.22/464.03 = 196.43/x
  3. Step 3: Cross multiply
    336.22x = 464.03 × 196.43
  4. Step 4: Simplify right side
    336.22x = 91,146.85
  5. Step 5: Solve for x
    x = 91,146.85/336.22
  6. Step 6: Final answer
    x = 271.09

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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.