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Finding the Fourth Proportional to 834.14, 1,250.94 and 346.94

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Solution

The fourth proportional to 834.14, 1,250.94 and 346.94 is: 520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    834.14 : 1,250.94 = 346.94 : x
  2. Step 2: Convert to fraction form
    834.14/1,250.94 = 346.94/x
  3. Step 3: Cross multiply
    834.14x = 1,250.94 × 346.94
  4. Step 4: Simplify right side
    834.14x = 434,001.12
  5. Step 5: Solve for x
    x = 434,001.12/834.14
  6. Step 6: Final answer
    x = 520.30

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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.