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Finding the Fourth Proportional to 534.72, 737.97 and 324.95

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Solution

The fourth proportional to 534.72, 737.97 and 324.95 is: 448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.72 : 737.97 = 324.95 : x
  2. Step 2: Convert to fraction form
    534.72/737.97 = 324.95/x
  3. Step 3: Cross multiply
    534.72x = 737.97 × 324.95
  4. Step 4: Simplify right side
    534.72x = 239,799.66
  5. Step 5: Solve for x
    x = 239,799.66/534.72
  6. Step 6: Final answer
    x = 448.46

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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.