Home / 626.06-939.33-260.75

Finding the Fourth Proportional to 626.06, 939.33 and 260.75

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Solution

The fourth proportional to 626.06, 939.33 and 260.75 is: 391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.06 : 939.33 = 260.75 : x
  2. Step 2: Convert to fraction form
    626.06/939.33 = 260.75/x
  3. Step 3: Cross multiply
    626.06x = 939.33 × 260.75
  4. Step 4: Simplify right side
    626.06x = 244,930.30
  5. Step 5: Solve for x
    x = 244,930.30/626.06
  6. Step 6: Final answer
    x = 391.22

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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.