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Finding the Fourth Proportional to 626.24, 860.26 and 537.68

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Solution

The fourth proportional to 626.24, 860.26 and 537.68 is: 738.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.24 : 860.26 = 537.68 : x
  2. Step 2: Convert to fraction form
    626.24/860.26 = 537.68/x
  3. Step 3: Cross multiply
    626.24x = 860.26 × 537.68
  4. Step 4: Simplify right side
    626.24x = 462,544.60
  5. Step 5: Solve for x
    x = 462,544.60/626.24
  6. Step 6: Final answer
    x = 738.61

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.