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Finding the Fourth Proportional to 331.98, 458.13 and 184.61

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Solution

The fourth proportional to 331.98, 458.13 and 184.61 is: 254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.98 : 458.13 = 184.61 : x
  2. Step 2: Convert to fraction form
    331.98/458.13 = 184.61/x
  3. Step 3: Cross multiply
    331.98x = 458.13 × 184.61
  4. Step 4: Simplify right side
    331.98x = 84,578.08
  5. Step 5: Solve for x
    x = 84,578.08/331.98
  6. Step 6: Final answer
    x = 254.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.