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Finding the Fourth Proportional to 166.30, 247.94 and 162.03

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Solution

The fourth proportional to 166.30, 247.94 and 162.03 is: 241.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.30 : 247.94 = 162.03 : x
  2. Step 2: Convert to fraction form
    166.30/247.94 = 162.03/x
  3. Step 3: Cross multiply
    166.30x = 247.94 × 162.03
  4. Step 4: Simplify right side
    166.30x = 40,173.72
  5. Step 5: Solve for x
    x = 40,173.72/166.30
  6. Step 6: Final answer
    x = 241.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.