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Finding the Fourth Proportional to 158.13, 236.52 and 123.48

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Solution

The fourth proportional to 158.13, 236.52 and 123.48 is: 184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.13 : 236.52 = 123.48 : x
  2. Step 2: Convert to fraction form
    158.13/236.52 = 123.48/x
  3. Step 3: Cross multiply
    158.13x = 236.52 × 123.48
  4. Step 4: Simplify right side
    158.13x = 29,205.49
  5. Step 5: Solve for x
    x = 29,205.49/158.13
  6. Step 6: Final answer
    x = 184.69

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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.