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Finding the Fourth Proportional to 158.75, 236.84 and 141.44

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Solution

The fourth proportional to 158.75, 236.84 and 141.44 is: 211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.75 : 236.84 = 141.44 : x
  2. Step 2: Convert to fraction form
    158.75/236.84 = 141.44/x
  3. Step 3: Cross multiply
    158.75x = 236.84 × 141.44
  4. Step 4: Simplify right side
    158.75x = 33,498.62
  5. Step 5: Solve for x
    x = 33,498.62/158.75
  6. Step 6: Final answer
    x = 211.01

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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.