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Finding the Fourth Proportional to 968.27, 1,336.33 and 575.29

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Solution

The fourth proportional to 968.27, 1,336.33 and 575.29 is: 793.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.27 : 1,336.33 = 575.29 : x
  2. Step 2: Convert to fraction form
    968.27/1,336.33 = 575.29/x
  3. Step 3: Cross multiply
    968.27x = 1,336.33 × 575.29
  4. Step 4: Simplify right side
    968.27x = 768,777.75
  5. Step 5: Solve for x
    x = 768,777.75/968.27
  6. Step 6: Final answer
    x = 793.97

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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.