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Finding the Fourth Proportional to 169.06, 233.22 and 106.03

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Solution

The fourth proportional to 169.06, 233.22 and 106.03 is: 146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.06 : 233.22 = 106.03 : x
  2. Step 2: Convert to fraction form
    169.06/233.22 = 106.03/x
  3. Step 3: Cross multiply
    169.06x = 233.22 × 106.03
  4. Step 4: Simplify right side
    169.06x = 24,728.32
  5. Step 5: Solve for x
    x = 24,728.32/169.06
  6. Step 6: Final answer
    x = 146.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.