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Finding the Fourth Proportional to 1,292.77, 1,940.16 and 600.22

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Solution

The fourth proportional to 1,292.77, 1,940.16 and 600.22 is: 900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292.77 : 1,940.16 = 600.22 : x
  2. Step 2: Convert to fraction form
    1,292.77/1,940.16 = 600.22/x
  3. Step 3: Cross multiply
    1,292.77x = 1,940.16 × 600.22
  4. Step 4: Simplify right side
    1,292.77x = 1,164,513.13
  5. Step 5: Solve for x
    x = 1,164,513.13/1,292.77
  6. Step 6: Final answer
    x = 900.79

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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.