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Finding the Fourth Proportional to 164.26, 226.66 and 94.32

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Solution

The fourth proportional to 164.26, 226.66 and 94.32 is: 130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.26 : 226.66 = 94.32 : x
  2. Step 2: Convert to fraction form
    164.26/226.66 = 94.32/x
  3. Step 3: Cross multiply
    164.26x = 226.66 × 94.32
  4. Step 4: Simplify right side
    164.26x = 21,378.57
  5. Step 5: Solve for x
    x = 21,378.57/164.26
  6. Step 6: Final answer
    x = 130.15

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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.