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Finding the Fourth Proportional to 627.82, 860.99 and 601.54

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Solution

The fourth proportional to 627.82, 860.99 and 601.54 is: 824.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.82 : 860.99 = 601.54 : x
  2. Step 2: Convert to fraction form
    627.82/860.99 = 601.54/x
  3. Step 3: Cross multiply
    627.82x = 860.99 × 601.54
  4. Step 4: Simplify right side
    627.82x = 517,919.92
  5. Step 5: Solve for x
    x = 517,919.92/627.82
  6. Step 6: Final answer
    x = 824.95

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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.