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Finding the Fourth Proportional to 150.24, 226.58 and 137.28

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Solution

The fourth proportional to 150.24, 226.58 and 137.28 is: 207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.24 : 226.58 = 137.28 : x
  2. Step 2: Convert to fraction form
    150.24/226.58 = 137.28/x
  3. Step 3: Cross multiply
    150.24x = 226.58 × 137.28
  4. Step 4: Simplify right side
    150.24x = 31,104.90
  5. Step 5: Solve for x
    x = 31,104.90/150.24
  6. Step 6: Final answer
    x = 207.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.