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Finding the Fourth Proportional to 701.12, 967.74 and 480.62

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Solution

The fourth proportional to 701.12, 967.74 and 480.62 is: 663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.12 : 967.74 = 480.62 : x
  2. Step 2: Convert to fraction form
    701.12/967.74 = 480.62/x
  3. Step 3: Cross multiply
    701.12x = 967.74 × 480.62
  4. Step 4: Simplify right side
    701.12x = 465,115.20
  5. Step 5: Solve for x
    x = 465,115.20/701.12
  6. Step 6: Final answer
    x = 663.39

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Double scale
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1.5x scale

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.