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Finding the Fourth Proportional to 243.80, 336.06 and 181.53

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Solution

The fourth proportional to 243.80, 336.06 and 181.53 is: 250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.80 : 336.06 = 181.53 : x
  2. Step 2: Convert to fraction form
    243.80/336.06 = 181.53/x
  3. Step 3: Cross multiply
    243.80x = 336.06 × 181.53
  4. Step 4: Simplify right side
    243.80x = 61,004.97
  5. Step 5: Solve for x
    x = 61,004.97/243.80
  6. Step 6: Final answer
    x = 250.23

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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.