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Finding the Fourth Proportional to 236.93, 355.05 and 134.06

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Solution

The fourth proportional to 236.93, 355.05 and 134.06 is: 200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.93 : 355.05 = 134.06 : x
  2. Step 2: Convert to fraction form
    236.93/355.05 = 134.06/x
  3. Step 3: Cross multiply
    236.93x = 355.05 × 134.06
  4. Step 4: Simplify right side
    236.93x = 47,596.23
  5. Step 5: Solve for x
    x = 47,596.23/236.93
  6. Step 6: Final answer
    x = 200.89

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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.