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Finding the Fourth Proportional to 400.64, 601.03 and 169.54

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Solution

The fourth proportional to 400.64, 601.03 and 169.54 is: 254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.64 : 601.03 = 169.54 : x
  2. Step 2: Convert to fraction form
    400.64/601.03 = 169.54/x
  3. Step 3: Cross multiply
    400.64x = 601.03 × 169.54
  4. Step 4: Simplify right side
    400.64x = 101,895.20
  5. Step 5: Solve for x
    x = 101,895.20/400.64
  6. Step 6: Final answer
    x = 254.33

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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.