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Finding the Fourth Proportional to 544.11, 750.99 and 323.13

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Solution

The fourth proportional to 544.11, 750.99 and 323.13 is: 445.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.11 : 750.99 = 323.13 : x
  2. Step 2: Convert to fraction form
    544.11/750.99 = 323.13/x
  3. Step 3: Cross multiply
    544.11x = 750.99 × 323.13
  4. Step 4: Simplify right side
    544.11x = 242,667.40
  5. Step 5: Solve for x
    x = 242,667.40/544.11
  6. Step 6: Final answer
    x = 445.99

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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.