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Finding the Fourth Proportional to 701.32, 968.18 and 480.68

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Solution

The fourth proportional to 701.32, 968.18 and 480.68 is: 663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.32 : 968.18 = 480.68 : x
  2. Step 2: Convert to fraction form
    701.32/968.18 = 480.68/x
  3. Step 3: Cross multiply
    701.32x = 968.18 × 480.68
  4. Step 4: Simplify right side
    701.32x = 465,384.76
  5. Step 5: Solve for x
    x = 465,384.76/701.32
  6. Step 6: Final answer
    x = 663.58

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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.