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Finding the Fourth Proportional to 270.41, 406.22 and 162.27

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Solution

The fourth proportional to 270.41, 406.22 and 162.27 is: 243.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.41 : 406.22 = 162.27 : x
  2. Step 2: Convert to fraction form
    270.41/406.22 = 162.27/x
  3. Step 3: Cross multiply
    270.41x = 406.22 × 162.27
  4. Step 4: Simplify right side
    270.41x = 65,916.51
  5. Step 5: Solve for x
    x = 65,916.51/270.41
  6. Step 6: Final answer
    x = 243.77

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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.