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Finding the Fourth Proportional to 412.37, 568.75 and 329.14

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Solution

The fourth proportional to 412.37, 568.75 and 329.14 is: 453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.37 : 568.75 = 329.14 : x
  2. Step 2: Convert to fraction form
    412.37/568.75 = 329.14/x
  3. Step 3: Cross multiply
    412.37x = 568.75 × 329.14
  4. Step 4: Simplify right side
    412.37x = 187,198.38
  5. Step 5: Solve for x
    x = 187,198.38/412.37
  6. Step 6: Final answer
    x = 453.96

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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.