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Finding the Fourth Proportional to 234.03, 351.42 and 190.77

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Solution

The fourth proportional to 234.03, 351.42 and 190.77 is: 286.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.03 : 351.42 = 190.77 : x
  2. Step 2: Convert to fraction form
    234.03/351.42 = 190.77/x
  3. Step 3: Cross multiply
    234.03x = 351.42 × 190.77
  4. Step 4: Simplify right side
    234.03x = 67,040.39
  5. Step 5: Solve for x
    x = 67,040.39/234.03
  6. Step 6: Final answer
    x = 286.46

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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.