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Finding the Fourth Proportional to 600.42, 898.74 and 394.50

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Solution

The fourth proportional to 600.42, 898.74 and 394.50 is: 590.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.42 : 898.74 = 394.50 : x
  2. Step 2: Convert to fraction form
    600.42/898.74 = 394.50/x
  3. Step 3: Cross multiply
    600.42x = 898.74 × 394.50
  4. Step 4: Simplify right side
    600.42x = 354,552.93
  5. Step 5: Solve for x
    x = 354,552.93/600.42
  6. Step 6: Final answer
    x = 590.51

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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.