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Finding the Fourth Proportional to 701.04, 967.20 and 438.96

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Solution

The fourth proportional to 701.04, 967.20 and 438.96 is: 605.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.04 : 967.20 = 438.96 : x
  2. Step 2: Convert to fraction form
    701.04/967.20 = 438.96/x
  3. Step 3: Cross multiply
    701.04x = 967.20 × 438.96
  4. Step 4: Simplify right side
    701.04x = 424,562.11
  5. Step 5: Solve for x
    x = 424,562.11/701.04
  6. Step 6: Final answer
    x = 605.62

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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.