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Finding the Fourth Proportional to 627.80, 866.46 and 600.11

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Solution

The fourth proportional to 627.80, 866.46 and 600.11 is: 828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.80 : 866.46 = 600.11 : x
  2. Step 2: Convert to fraction form
    627.80/866.46 = 600.11/x
  3. Step 3: Cross multiply
    627.80x = 866.46 × 600.11
  4. Step 4: Simplify right side
    627.80x = 519,971.98
  5. Step 5: Solve for x
    x = 519,971.98/627.80
  6. Step 6: Final answer
    x = 828.25

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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.