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Finding the Fourth Proportional to 701.52, 968.16 and 439.60

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Solution

The fourth proportional to 701.52, 968.16 and 439.60 is: 606.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.52 : 968.16 = 439.60 : x
  2. Step 2: Convert to fraction form
    701.52/968.16 = 439.60/x
  3. Step 3: Cross multiply
    701.52x = 968.16 × 439.60
  4. Step 4: Simplify right side
    701.52x = 425,603.14
  5. Step 5: Solve for x
    x = 425,603.14/701.52
  6. Step 6: Final answer
    x = 606.69

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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.