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Finding the Fourth Proportional to 158.82, 236.32 and 158.28

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Solution

The fourth proportional to 158.82, 236.32 and 158.28 is: 235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.82 : 236.32 = 158.28 : x
  2. Step 2: Convert to fraction form
    158.82/236.32 = 158.28/x
  3. Step 3: Cross multiply
    158.82x = 236.32 × 158.28
  4. Step 4: Simplify right side
    158.82x = 37,404.73
  5. Step 5: Solve for x
    x = 37,404.73/158.82
  6. Step 6: Final answer
    x = 235.52

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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.