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Finding the Fourth Proportional to 118.34, 176.50 and 110.99

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Solution

The fourth proportional to 118.34, 176.50 and 110.99 is: 165.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.34 : 176.50 = 110.99 : x
  2. Step 2: Convert to fraction form
    118.34/176.50 = 110.99/x
  3. Step 3: Cross multiply
    118.34x = 176.50 × 110.99
  4. Step 4: Simplify right side
    118.34x = 19,589.74
  5. Step 5: Solve for x
    x = 19,589.74/118.34
  6. Step 6: Final answer
    x = 165.54

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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.