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Finding the Fourth Proportional to 164.52, 227.04 and 115.32

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Solution

The fourth proportional to 164.52, 227.04 and 115.32 is: 159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.52 : 227.04 = 115.32 : x
  2. Step 2: Convert to fraction form
    164.52/227.04 = 115.32/x
  3. Step 3: Cross multiply
    164.52x = 227.04 × 115.32
  4. Step 4: Simplify right side
    164.52x = 26,182.25
  5. Step 5: Solve for x
    x = 26,182.25/164.52
  6. Step 6: Final answer
    x = 159.14

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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.