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Finding the Fourth Proportional to 236.44, 354.42 and 114.52

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Solution

The fourth proportional to 236.44, 354.42 and 114.52 is: 171.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.44 : 354.42 = 114.52 : x
  2. Step 2: Convert to fraction form
    236.44/354.42 = 114.52/x
  3. Step 3: Cross multiply
    236.44x = 354.42 × 114.52
  4. Step 4: Simplify right side
    236.44x = 40,588.18
  5. Step 5: Solve for x
    x = 40,588.18/236.44
  6. Step 6: Final answer
    x = 171.66

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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.