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Finding the Fourth Proportional to 834.03, 1,150.20 and 600.75

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Solution

The fourth proportional to 834.03, 1,150.20 and 600.75 is: 828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    834.03 : 1,150.20 = 600.75 : x
  2. Step 2: Convert to fraction form
    834.03/1,150.20 = 600.75/x
  3. Step 3: Cross multiply
    834.03x = 1,150.20 × 600.75
  4. Step 4: Simplify right side
    834.03x = 690,982.65
  5. Step 5: Solve for x
    x = 690,982.65/834.03
  6. Step 6: Final answer
    x = 828.49

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1.5x scale

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.