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Finding the Fourth Proportional to 966.90, 1,448.22 and 600.92

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Solution

The fourth proportional to 966.90, 1,448.22 and 600.92 is: 900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.90 : 1,448.22 = 600.92 : x
  2. Step 2: Convert to fraction form
    966.90/1,448.22 = 600.92/x
  3. Step 3: Cross multiply
    966.90x = 1,448.22 × 600.92
  4. Step 4: Simplify right side
    966.90x = 870,257.12
  5. Step 5: Solve for x
    x = 870,257.12/966.90
  6. Step 6: Final answer
    x = 900.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.