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Finding the Fourth Proportional to 834.13, 1,250.51 and 347.54

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Solution

The fourth proportional to 834.13, 1,250.51 and 347.54 is: 521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    834.13 : 1,250.51 = 347.54 : x
  2. Step 2: Convert to fraction form
    834.13/1,250.51 = 347.54/x
  3. Step 3: Cross multiply
    834.13x = 1,250.51 × 347.54
  4. Step 4: Simplify right side
    834.13x = 434,604.22
  5. Step 5: Solve for x
    x = 434,604.22/834.13
  6. Step 6: Final answer
    x = 521.03

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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.