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Finding the Fourth Proportional to 192.01, 287.93 and 61.97

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Solution

The fourth proportional to 192.01, 287.93 and 61.97 is: 92.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.01 : 287.93 = 61.97 : x
  2. Step 2: Convert to fraction form
    192.01/287.93 = 61.97/x
  3. Step 3: Cross multiply
    192.01x = 287.93 × 61.97
  4. Step 4: Simplify right side
    192.01x = 17,843.02
  5. Step 5: Solve for x
    x = 17,843.02/192.01
  6. Step 6: Final answer
    x = 92.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.