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Finding the Fourth Proportional to 236.36, 354.14 and 126.52

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Solution

The fourth proportional to 236.36, 354.14 and 126.52 is: 189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.36 : 354.14 = 126.52 : x
  2. Step 2: Convert to fraction form
    236.36/354.14 = 126.52/x
  3. Step 3: Cross multiply
    236.36x = 354.14 × 126.52
  4. Step 4: Simplify right side
    236.36x = 44,805.79
  5. Step 5: Solve for x
    x = 44,805.79/236.36
  6. Step 6: Final answer
    x = 189.57

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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.