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Finding the Fourth Proportional to 965.76, 1,446.96 and 600.81

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Solution

The fourth proportional to 965.76, 1,446.96 and 600.81 is: 900.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.76 : 1,446.96 = 600.81 : x
  2. Step 2: Convert to fraction form
    965.76/1,446.96 = 600.81/x
  3. Step 3: Cross multiply
    965.76x = 1,446.96 × 600.81
  4. Step 4: Simplify right side
    965.76x = 869,348.04
  5. Step 5: Solve for x
    x = 869,348.04/965.76
  6. Step 6: Final answer
    x = 900.17

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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.