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Finding the Fourth Proportional to 578.33, 792.09 and 544.65

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Solution

The fourth proportional to 578.33, 792.09 and 544.65 is: 745.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    578.33 : 792.09 = 544.65 : x
  2. Step 2: Convert to fraction form
    578.33/792.09 = 544.65/x
  3. Step 3: Cross multiply
    578.33x = 792.09 × 544.65
  4. Step 4: Simplify right side
    578.33x = 431,411.82
  5. Step 5: Solve for x
    x = 431,411.82/578.33
  6. Step 6: Final answer
    x = 745.97

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.