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Finding the Fourth Proportional to 600.22, 829.80 and 404.74

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Solution

The fourth proportional to 600.22, 829.80 and 404.74 is: 559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.22 : 829.80 = 404.74 : x
  2. Step 2: Convert to fraction form
    600.22/829.80 = 404.74/x
  3. Step 3: Cross multiply
    600.22x = 829.80 × 404.74
  4. Step 4: Simplify right side
    600.22x = 335,853.25
  5. Step 5: Solve for x
    x = 335,853.25/600.22
  6. Step 6: Final answer
    x = 559.55

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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.