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Finding the Fourth Proportional to 544.09, 750.72 and 323.11

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Solution

The fourth proportional to 544.09, 750.72 and 323.11 is: 445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.09 : 750.72 = 323.11 : x
  2. Step 2: Convert to fraction form
    544.09/750.72 = 323.11/x
  3. Step 3: Cross multiply
    544.09x = 750.72 × 323.11
  4. Step 4: Simplify right side
    544.09x = 242,565.14
  5. Step 5: Solve for x
    x = 242,565.14/544.09
  6. Step 6: Final answer
    x = 445.82

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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.