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Finding the Fourth Proportional to 166.61, 229.52 and 150.23

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Solution

The fourth proportional to 166.61, 229.52 and 150.23 is: 206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.61 : 229.52 = 150.23 : x
  2. Step 2: Convert to fraction form
    166.61/229.52 = 150.23/x
  3. Step 3: Cross multiply
    166.61x = 229.52 × 150.23
  4. Step 4: Simplify right side
    166.61x = 34,480.02
  5. Step 5: Solve for x
    x = 34,480.02/166.61
  6. Step 6: Final answer
    x = 206.96

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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.