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Finding the Fourth Proportional to 2,200.91, 3,301.80 and 968.32

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Solution

The fourth proportional to 2,200.91, 3,301.80 and 968.32 is: 1,452.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.91 : 3,301.80 = 968.32 : x
  2. Step 2: Convert to fraction form
    2,200.91/3,301.80 = 968.32/x
  3. Step 3: Cross multiply
    2,200.91x = 3,301.80 × 968.32
  4. Step 4: Simplify right side
    2,200.91x = 3,197,177.63
  5. Step 5: Solve for x
    x = 3,197,177.63/2,200.91
  6. Step 6: Final answer
    x = 1,452.66

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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.