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Finding the Fourth Proportional to 243.96, 366.30 and 162.60

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Solution

The fourth proportional to 243.96, 366.30 and 162.60 is: 244.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.96 : 366.30 = 162.60 : x
  2. Step 2: Convert to fraction form
    243.96/366.30 = 162.60/x
  3. Step 3: Cross multiply
    243.96x = 366.30 × 162.60
  4. Step 4: Simplify right side
    243.96x = 59,560.38
  5. Step 5: Solve for x
    x = 59,560.38/243.96
  6. Step 6: Final answer
    x = 244.14

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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.