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Finding the Fourth Proportional to 544.33, 751.07 and 323.20

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Solution

The fourth proportional to 544.33, 751.07 and 323.20 is: 445.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.33 : 751.07 = 323.20 : x
  2. Step 2: Convert to fraction form
    544.33/751.07 = 323.20/x
  3. Step 3: Cross multiply
    544.33x = 751.07 × 323.20
  4. Step 4: Simplify right side
    544.33x = 242,745.82
  5. Step 5: Solve for x
    x = 242,745.82/544.33
  6. Step 6: Final answer
    x = 445.95

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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.