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Finding the Fourth Proportional to 701.60, 968.24 and 439.52

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Solution

The fourth proportional to 701.60, 968.24 and 439.52 is: 606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.60 : 968.24 = 439.52 : x
  2. Step 2: Convert to fraction form
    701.60/968.24 = 439.52/x
  3. Step 3: Cross multiply
    701.60x = 968.24 × 439.52
  4. Step 4: Simplify right side
    701.60x = 425,558.65
  5. Step 5: Solve for x
    x = 425,558.65/701.60
  6. Step 6: Final answer
    x = 606.55

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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.