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Finding the Fourth Proportional to 560.39, 773.38 and 324.41

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Solution

The fourth proportional to 560.39, 773.38 and 324.41 is: 447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.39 : 773.38 = 324.41 : x
  2. Step 2: Convert to fraction form
    560.39/773.38 = 324.41/x
  3. Step 3: Cross multiply
    560.39x = 773.38 × 324.41
  4. Step 4: Simplify right side
    560.39x = 250,890.58
  5. Step 5: Solve for x
    x = 250,890.58/560.39
  6. Step 6: Final answer
    x = 447.71

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1.5x scale

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.