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Finding the Fourth Proportional to 701.16, 967.78 and 480.03

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Solution

The fourth proportional to 701.16, 967.78 and 480.03 is: 662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.16 : 967.78 = 480.03 : x
  2. Step 2: Convert to fraction form
    701.16/967.78 = 480.03/x
  3. Step 3: Cross multiply
    701.16x = 967.78 × 480.03
  4. Step 4: Simplify right side
    701.16x = 464,563.43
  5. Step 5: Solve for x
    x = 464,563.43/701.16
  6. Step 6: Final answer
    x = 662.56

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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.