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Finding the Fourth Proportional to 336.59, 464.45 and 196.75

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Solution

The fourth proportional to 336.59, 464.45 and 196.75 is: 271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.59 : 464.45 = 196.75 : x
  2. Step 2: Convert to fraction form
    336.59/464.45 = 196.75/x
  3. Step 3: Cross multiply
    336.59x = 464.45 × 196.75
  4. Step 4: Simplify right side
    336.59x = 91,378.39
  5. Step 5: Solve for x
    x = 91,378.39/336.59
  6. Step 6: Final answer
    x = 271.49

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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.