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Finding the Fourth Proportional to 331.41, 497.28 and 234.54

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Solution

The fourth proportional to 331.41, 497.28 and 234.54 is: 351.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.41 : 497.28 = 234.54 : x
  2. Step 2: Convert to fraction form
    331.41/497.28 = 234.54/x
  3. Step 3: Cross multiply
    331.41x = 497.28 × 234.54
  4. Step 4: Simplify right side
    331.41x = 116,632.05
  5. Step 5: Solve for x
    x = 116,632.05/331.41
  6. Step 6: Final answer
    x = 351.93

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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.