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Finding the Fourth Proportional to 158.63, 236.82 and 134.33

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Solution

The fourth proportional to 158.63, 236.82 and 134.33 is: 200.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.63 : 236.82 = 134.33 : x
  2. Step 2: Convert to fraction form
    158.63/236.82 = 134.33/x
  3. Step 3: Cross multiply
    158.63x = 236.82 × 134.33
  4. Step 4: Simplify right side
    158.63x = 31,812.03
  5. Step 5: Solve for x
    x = 31,812.03/158.63
  6. Step 6: Final answer
    x = 200.54

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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.