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Finding the Fourth Proportional to 701.02, 967.89 and 439.48

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Solution

The fourth proportional to 701.02, 967.89 and 439.48 is: 606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.02 : 967.89 = 439.48 : x
  2. Step 2: Convert to fraction form
    701.02/967.89 = 439.48/x
  3. Step 3: Cross multiply
    701.02x = 967.89 × 439.48
  4. Step 4: Simplify right side
    701.02x = 425,368.30
  5. Step 5: Solve for x
    x = 425,368.30/701.02
  6. Step 6: Final answer
    x = 606.78

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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.