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Finding the Fourth Proportional to 627.94, 941.95 and 262.77

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Solution

The fourth proportional to 627.94, 941.95 and 262.77 is: 394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.94 : 941.95 = 262.77 : x
  2. Step 2: Convert to fraction form
    627.94/941.95 = 262.77/x
  3. Step 3: Cross multiply
    627.94x = 941.95 × 262.77
  4. Step 4: Simplify right side
    627.94x = 247,516.20
  5. Step 5: Solve for x
    x = 247,516.20/627.94
  6. Step 6: Final answer
    x = 394.17

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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.