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Finding the Fourth Proportional to 192.09, 286.83 and 151.05

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Solution

The fourth proportional to 192.09, 286.83 and 151.05 is: 225.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.09 : 286.83 = 151.05 : x
  2. Step 2: Convert to fraction form
    192.09/286.83 = 151.05/x
  3. Step 3: Cross multiply
    192.09x = 286.83 × 151.05
  4. Step 4: Simplify right side
    192.09x = 43,325.67
  5. Step 5: Solve for x
    x = 43,325.67/192.09
  6. Step 6: Final answer
    x = 225.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.