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Finding the Fourth Proportional to 627.99, 941.09 and 550.77

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Solution

The fourth proportional to 627.99, 941.09 and 550.77 is: 825.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.99 : 941.09 = 550.77 : x
  2. Step 2: Convert to fraction form
    627.99/941.09 = 550.77/x
  3. Step 3: Cross multiply
    627.99x = 941.09 × 550.77
  4. Step 4: Simplify right side
    627.99x = 518,321.39
  5. Step 5: Solve for x
    x = 518,321.39/627.99
  6. Step 6: Final answer
    x = 825.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.