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Finding the Fourth Proportional to 626.44, 863.52 and 460.84

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Solution

The fourth proportional to 626.44, 863.52 and 460.84 is: 635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.44 : 863.52 = 460.84 : x
  2. Step 2: Convert to fraction form
    626.44/863.52 = 460.84/x
  3. Step 3: Cross multiply
    626.44x = 863.52 × 460.84
  4. Step 4: Simplify right side
    626.44x = 397,944.56
  5. Step 5: Solve for x
    x = 397,944.56/626.44
  6. Step 6: Final answer
    x = 635.25

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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.