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Finding the Fourth Proportional to 116.04, 172.83 and 113.88

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Solution

The fourth proportional to 116.04, 172.83 and 113.88 is: 169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.04 : 172.83 = 113.88 : x
  2. Step 2: Convert to fraction form
    116.04/172.83 = 113.88/x
  3. Step 3: Cross multiply
    116.04x = 172.83 × 113.88
  4. Step 4: Simplify right side
    116.04x = 19,681.88
  5. Step 5: Solve for x
    x = 19,681.88/116.04
  6. Step 6: Final answer
    x = 169.61

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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.