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Finding the Fourth Proportional to 192.03, 287.82 and 163.05

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Solution

The fourth proportional to 192.03, 287.82 and 163.05 is: 244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.03 : 287.82 = 163.05 : x
  2. Step 2: Convert to fraction form
    192.03/287.82 = 163.05/x
  3. Step 3: Cross multiply
    192.03x = 287.82 × 163.05
  4. Step 4: Simplify right side
    192.03x = 46,929.05
  5. Step 5: Solve for x
    x = 46,929.05/192.03
  6. Step 6: Final answer
    x = 244.38

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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.