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Finding the Fourth Proportional to 568, 856.46 and 461.08

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Solution

The fourth proportional to 568, 856.46 and 461.08 is: 695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    568 : 856.46 = 461.08 : x
  2. Step 2: Convert to fraction form
    568/856.46 = 461.08/x
  3. Step 3: Cross multiply
    568x = 856.46 × 461.08
  4. Step 4: Simplify right side
    568x = 394,896.58
  5. Step 5: Solve for x
    x = 394,896.58/568
  6. Step 6: Final answer
    x = 695.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.