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Finding the Fourth Proportional to 192.38, 264.88 and 150.88

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Solution

The fourth proportional to 192.38, 264.88 and 150.88 is: 207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.38 : 264.88 = 150.88 : x
  2. Step 2: Convert to fraction form
    192.38/264.88 = 150.88/x
  3. Step 3: Cross multiply
    192.38x = 264.88 × 150.88
  4. Step 4: Simplify right side
    192.38x = 39,965.09
  5. Step 5: Solve for x
    x = 39,965.09/192.38
  6. Step 6: Final answer
    x = 207.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.