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Finding the Fourth Proportional to 494.87, 682.94 and 295.67

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Solution

The fourth proportional to 494.87, 682.94 and 295.67 is: 408.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.87 : 682.94 = 295.67 : x
  2. Step 2: Convert to fraction form
    494.87/682.94 = 295.67/x
  3. Step 3: Cross multiply
    494.87x = 682.94 × 295.67
  4. Step 4: Simplify right side
    494.87x = 201,923.39
  5. Step 5: Solve for x
    x = 201,923.39/494.87
  6. Step 6: Final answer
    x = 408.04

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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.