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Finding the Fourth Proportional to 169.19, 233.58 and 116.03

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Solution

The fourth proportional to 169.19, 233.58 and 116.03 is: 160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.19 : 233.58 = 116.03 : x
  2. Step 2: Convert to fraction form
    169.19/233.58 = 116.03/x
  3. Step 3: Cross multiply
    169.19x = 233.58 × 116.03
  4. Step 4: Simplify right side
    169.19x = 27,103.31
  5. Step 5: Solve for x
    x = 27,103.31/169.19
  6. Step 6: Final answer
    x = 160.20

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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.