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Finding the Fourth Proportional to 627.10, 936.22 and 480.08

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Solution

The fourth proportional to 627.10, 936.22 and 480.08 is: 716.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.10 : 936.22 = 480.08 : x
  2. Step 2: Convert to fraction form
    627.10/936.22 = 480.08/x
  3. Step 3: Cross multiply
    627.10x = 936.22 × 480.08
  4. Step 4: Simplify right side
    627.10x = 449,460.50
  5. Step 5: Solve for x
    x = 449,460.50/627.10
  6. Step 6: Final answer
    x = 716.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.