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Finding the Fourth Proportional to 600.74, 829.14 and 379.58

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Solution

The fourth proportional to 600.74, 829.14 and 379.58 is: 523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.74 : 829.14 = 379.58 : x
  2. Step 2: Convert to fraction form
    600.74/829.14 = 379.58/x
  3. Step 3: Cross multiply
    600.74x = 829.14 × 379.58
  4. Step 4: Simplify right side
    600.74x = 314,724.96
  5. Step 5: Solve for x
    x = 314,724.96/600.74
  6. Step 6: Final answer
    x = 523.90

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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.