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Finding the Fourth Proportional to 404.17, 606.03 and 187.54

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Solution

The fourth proportional to 404.17, 606.03 and 187.54 is: 281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.17 : 606.03 = 187.54 : x
  2. Step 2: Convert to fraction form
    404.17/606.03 = 187.54/x
  3. Step 3: Cross multiply
    404.17x = 606.03 × 187.54
  4. Step 4: Simplify right side
    404.17x = 113,654.87
  5. Step 5: Solve for x
    x = 113,654.87/404.17
  6. Step 6: Final answer
    x = 281.21

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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.