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Finding the Fourth Proportional to 404.92, 604.44 and 374.84

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Solution

The fourth proportional to 404.92, 604.44 and 374.84 is: 559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.92 : 604.44 = 374.84 : x
  2. Step 2: Convert to fraction form
    404.92/604.44 = 374.84/x
  3. Step 3: Cross multiply
    404.92x = 604.44 × 374.84
  4. Step 4: Simplify right side
    404.92x = 226,568.29
  5. Step 5: Solve for x
    x = 226,568.29/404.92
  6. Step 6: Final answer
    x = 559.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.