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Finding the Fourth Proportional to 701.03, 967.88 and 479.90

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Solution

The fourth proportional to 701.03, 967.88 and 479.90 is: 662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.03 : 967.88 = 479.90 : x
  2. Step 2: Convert to fraction form
    701.03/967.88 = 479.90/x
  3. Step 3: Cross multiply
    701.03x = 967.88 × 479.90
  4. Step 4: Simplify right side
    701.03x = 464,485.61
  5. Step 5: Solve for x
    x = 464,485.61/701.03
  6. Step 6: Final answer
    x = 662.58

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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.