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Finding the Fourth Proportional to 701.65, 967.44 and 480.79

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Solution

The fourth proportional to 701.65, 967.44 and 480.79 is: 662.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.65 : 967.44 = 480.79 : x
  2. Step 2: Convert to fraction form
    701.65/967.44 = 480.79/x
  3. Step 3: Cross multiply
    701.65x = 967.44 × 480.79
  4. Step 4: Simplify right side
    701.65x = 465,135.48
  5. Step 5: Solve for x
    x = 465,135.48/701.65
  6. Step 6: Final answer
    x = 662.92

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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.