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Finding the Fourth Proportional to 336.11, 464.12 and 231.17

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Solution

The fourth proportional to 336.11, 464.12 and 231.17 is: 319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.11 : 464.12 = 231.17 : x
  2. Step 2: Convert to fraction form
    336.11/464.12 = 231.17/x
  3. Step 3: Cross multiply
    336.11x = 464.12 × 231.17
  4. Step 4: Simplify right side
    336.11x = 107,287.14
  5. Step 5: Solve for x
    x = 107,287.14/336.11
  6. Step 6: Final answer
    x = 319.21

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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.