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Finding the Fourth Proportional to 404.08, 606.06 and 160.78

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Solution

The fourth proportional to 404.08, 606.06 and 160.78 is: 241.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.08 : 606.06 = 160.78 : x
  2. Step 2: Convert to fraction form
    404.08/606.06 = 160.78/x
  3. Step 3: Cross multiply
    404.08x = 606.06 × 160.78
  4. Step 4: Simplify right side
    404.08x = 97,442.33
  5. Step 5: Solve for x
    x = 97,442.33/404.08
  6. Step 6: Final answer
    x = 241.15

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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.