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Finding the Fourth Proportional to 166.52, 248.24 and 157.32

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Solution

The fourth proportional to 166.52, 248.24 and 157.32 is: 234.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.52 : 248.24 = 157.32 : x
  2. Step 2: Convert to fraction form
    166.52/248.24 = 157.32/x
  3. Step 3: Cross multiply
    166.52x = 248.24 × 157.32
  4. Step 4: Simplify right side
    166.52x = 39,053.12
  5. Step 5: Solve for x
    x = 39,053.12/166.52
  6. Step 6: Final answer
    x = 234.53

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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.