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Finding the Fourth Proportional to 164.42, 246.42 and 92.33

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Solution

The fourth proportional to 164.42, 246.42 and 92.33 is: 138.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.42 : 246.42 = 92.33 : x
  2. Step 2: Convert to fraction form
    164.42/246.42 = 92.33/x
  3. Step 3: Cross multiply
    164.42x = 246.42 × 92.33
  4. Step 4: Simplify right side
    164.42x = 22,751.96
  5. Step 5: Solve for x
    x = 22,751.96/164.42
  6. Step 6: Final answer
    x = 138.38

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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.