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Finding the Fourth Proportional to 158.89, 238.32 and 44.89

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Solution

The fourth proportional to 158.89, 238.32 and 44.89 is: 67.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.89 : 238.32 = 44.89 : x
  2. Step 2: Convert to fraction form
    158.89/238.32 = 44.89/x
  3. Step 3: Cross multiply
    158.89x = 238.32 × 44.89
  4. Step 4: Simplify right side
    158.89x = 10,698.18
  5. Step 5: Solve for x
    x = 10,698.18/158.89
  6. Step 6: Final answer
    x = 67.33

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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.