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Finding the Fourth Proportional to 192.63, 265.96 and 133.60

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Solution

The fourth proportional to 192.63, 265.96 and 133.60 is: 184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.63 : 265.96 = 133.60 : x
  2. Step 2: Convert to fraction form
    192.63/265.96 = 133.60/x
  3. Step 3: Cross multiply
    192.63x = 265.96 × 133.60
  4. Step 4: Simplify right side
    192.63x = 35,531.18
  5. Step 5: Solve for x
    x = 35,531.18/192.63
  6. Step 6: Final answer
    x = 184.45

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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.