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Finding the Fourth Proportional to 164.01, 226.28 and 94.02

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Solution

The fourth proportional to 164.01, 226.28 and 94.02 is: 129.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.01 : 226.28 = 94.02 : x
  2. Step 2: Convert to fraction form
    164.01/226.28 = 94.02/x
  3. Step 3: Cross multiply
    164.01x = 226.28 × 94.02
  4. Step 4: Simplify right side
    164.01x = 21,275.41
  5. Step 5: Solve for x
    x = 21,275.41/164.01
  6. Step 6: Final answer
    x = 129.72

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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.