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Finding the Fourth Proportional to 560.37, 773.40 and 324.33

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Solution

The fourth proportional to 560.37, 773.40 and 324.33 is: 447.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.37 : 773.40 = 324.33 : x
  2. Step 2: Convert to fraction form
    560.37/773.40 = 324.33/x
  3. Step 3: Cross multiply
    560.37x = 773.40 × 324.33
  4. Step 4: Simplify right side
    560.37x = 250,836.82
  5. Step 5: Solve for x
    x = 250,836.82/560.37
  6. Step 6: Final answer
    x = 447.63

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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.