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Finding the Fourth Proportional to 411.97, 568.56 and 246.16

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Solution

The fourth proportional to 411.97, 568.56 and 246.16 is: 339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.97 : 568.56 = 246.16 : x
  2. Step 2: Convert to fraction form
    411.97/568.56 = 246.16/x
  3. Step 3: Cross multiply
    411.97x = 568.56 × 246.16
  4. Step 4: Simplify right side
    411.97x = 139,956.73
  5. Step 5: Solve for x
    x = 139,956.73/411.97
  6. Step 6: Final answer
    x = 339.73

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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.