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Finding the Fourth Proportional to 966.03, 1,449.20 and 601.21

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Solution

The fourth proportional to 966.03, 1,449.20 and 601.21 is: 901.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.03 : 1,449.20 = 601.21 : x
  2. Step 2: Convert to fraction form
    966.03/1,449.20 = 601.21/x
  3. Step 3: Cross multiply
    966.03x = 1,449.20 × 601.21
  4. Step 4: Simplify right side
    966.03x = 871,273.53
  5. Step 5: Solve for x
    x = 871,273.53/966.03
  6. Step 6: Final answer
    x = 901.91

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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.