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Finding the Fourth Proportional to 194.52, 292.97 and 164.28

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Solution

The fourth proportional to 194.52, 292.97 and 164.28 is: 247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.52 : 292.97 = 164.28 : x
  2. Step 2: Convert to fraction form
    194.52/292.97 = 164.28/x
  3. Step 3: Cross multiply
    194.52x = 292.97 × 164.28
  4. Step 4: Simplify right side
    194.52x = 48,128.29
  5. Step 5: Solve for x
    x = 48,128.29/194.52
  6. Step 6: Final answer
    x = 247.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.