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Finding the Fourth Proportional to 600.44, 827.82 and 390.26

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Solution

The fourth proportional to 600.44, 827.82 and 390.26 is: 538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.44 : 827.82 = 390.26 : x
  2. Step 2: Convert to fraction form
    600.44/827.82 = 390.26/x
  3. Step 3: Cross multiply
    600.44x = 827.82 × 390.26
  4. Step 4: Simplify right side
    600.44x = 323,065.03
  5. Step 5: Solve for x
    x = 323,065.03/600.44
  6. Step 6: Final answer
    x = 538.05

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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.