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Finding the Fourth Proportional to 874.14, 1,310.81 and 600.27

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Solution

The fourth proportional to 874.14, 1,310.81 and 600.27 is: 900.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    874.14 : 1,310.81 = 600.27 : x
  2. Step 2: Convert to fraction form
    874.14/1,310.81 = 600.27/x
  3. Step 3: Cross multiply
    874.14x = 1,310.81 × 600.27
  4. Step 4: Simplify right side
    874.14x = 786,836.92
  5. Step 5: Solve for x
    x = 786,836.92/874.14
  6. Step 6: Final answer
    x = 900.13

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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.