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Finding the Fourth Proportional to 600.42, 898.82 and 394.60

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Solution

The fourth proportional to 600.42, 898.82 and 394.60 is: 590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.42 : 898.82 = 394.60 : x
  2. Step 2: Convert to fraction form
    600.42/898.82 = 394.60/x
  3. Step 3: Cross multiply
    600.42x = 898.82 × 394.60
  4. Step 4: Simplify right side
    600.42x = 354,674.37
  5. Step 5: Solve for x
    x = 354,674.37/600.42
  6. Step 6: Final answer
    x = 590.71

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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.