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Finding the Fourth Proportional to 404.26, 608.58 and 283.37

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Solution

The fourth proportional to 404.26, 608.58 and 283.37 is: 426.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.26 : 608.58 = 283.37 : x
  2. Step 2: Convert to fraction form
    404.26/608.58 = 283.37/x
  3. Step 3: Cross multiply
    404.26x = 608.58 × 283.37
  4. Step 4: Simplify right side
    404.26x = 172,450.27
  5. Step 5: Solve for x
    x = 172,450.27/404.26
  6. Step 6: Final answer
    x = 426.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.