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Finding the Fourth Proportional to 411.13, 567.41 and 234.15

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Solution

The fourth proportional to 411.13, 567.41 and 234.15 is: 323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.13 : 567.41 = 234.15 : x
  2. Step 2: Convert to fraction form
    411.13/567.41 = 234.15/x
  3. Step 3: Cross multiply
    411.13x = 567.41 × 234.15
  4. Step 4: Simplify right side
    411.13x = 132,859.30
  5. Step 5: Solve for x
    x = 132,859.30/411.13
  6. Step 6: Final answer
    x = 323.16

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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.