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Finding the Fourth Proportional to 114.13, 158.23 and 108.28

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Solution

The fourth proportional to 114.13, 158.23 and 108.28 is: 150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.13 : 158.23 = 108.28 : x
  2. Step 2: Convert to fraction form
    114.13/158.23 = 108.28/x
  3. Step 3: Cross multiply
    114.13x = 158.23 × 108.28
  4. Step 4: Simplify right side
    114.13x = 17,133.14
  5. Step 5: Solve for x
    x = 17,133.14/114.13
  6. Step 6: Final answer
    x = 150.12

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.