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Finding the Fourth Proportional to 627.15, 934.26 and 608.04

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Solution

The fourth proportional to 627.15, 934.26 and 608.04 is: 905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.15 : 934.26 = 608.04 : x
  2. Step 2: Convert to fraction form
    627.15/934.26 = 608.04/x
  3. Step 3: Cross multiply
    627.15x = 934.26 × 608.04
  4. Step 4: Simplify right side
    627.15x = 568,067.45
  5. Step 5: Solve for x
    x = 568,067.45/627.15
  6. Step 6: Final answer
    x = 905.79

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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.