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Finding the Fourth Proportional to 544.05, 815.97 and 453.33

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Solution

The fourth proportional to 544.05, 815.97 and 453.33 is: 679.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.05 : 815.97 = 453.33 : x
  2. Step 2: Convert to fraction form
    544.05/815.97 = 453.33/x
  3. Step 3: Cross multiply
    544.05x = 815.97 × 453.33
  4. Step 4: Simplify right side
    544.05x = 369,903.68
  5. Step 5: Solve for x
    x = 369,903.68/544.05
  6. Step 6: Final answer
    x = 679.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.