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Finding the Fourth Proportional to 695.59, 959.25 and 426.34

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Solution

The fourth proportional to 695.59, 959.25 and 426.34 is: 587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.59 : 959.25 = 426.34 : x
  2. Step 2: Convert to fraction form
    695.59/959.25 = 426.34/x
  3. Step 3: Cross multiply
    695.59x = 959.25 × 426.34
  4. Step 4: Simplify right side
    695.59x = 408,966.65
  5. Step 5: Solve for x
    x = 408,966.65/695.59
  6. Step 6: Final answer
    x = 587.94

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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.