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Finding the Fourth Proportional to 701.65, 966.39 and 608.40

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Solution

The fourth proportional to 701.65, 966.39 and 608.40 is: 837.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.65 : 966.39 = 608.40 : x
  2. Step 2: Convert to fraction form
    701.65/966.39 = 608.40/x
  3. Step 3: Cross multiply
    701.65x = 966.39 × 608.40
  4. Step 4: Simplify right side
    701.65x = 587,951.68
  5. Step 5: Solve for x
    x = 587,951.68/701.65
  6. Step 6: Final answer
    x = 837.96

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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.