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Finding the Fourth Proportional to 192.07, 265.09 and 133.82

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Solution

The fourth proportional to 192.07, 265.09 and 133.82 is: 184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.07 : 265.09 = 133.82 : x
  2. Step 2: Convert to fraction form
    192.07/265.09 = 133.82/x
  3. Step 3: Cross multiply
    192.07x = 265.09 × 133.82
  4. Step 4: Simplify right side
    192.07x = 35,473.02
  5. Step 5: Solve for x
    x = 35,473.02/192.07
  6. Step 6: Final answer
    x = 184.69

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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.