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Finding the Fourth Proportional to 161.31, 240.22 and 150.93

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Solution

The fourth proportional to 161.31, 240.22 and 150.93 is: 224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.31 : 240.22 = 150.93 : x
  2. Step 2: Convert to fraction form
    161.31/240.22 = 150.93/x
  3. Step 3: Cross multiply
    161.31x = 240.22 × 150.93
  4. Step 4: Simplify right side
    161.31x = 36,256.40
  5. Step 5: Solve for x
    x = 36,256.40/161.31
  6. Step 6: Final answer
    x = 224.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.