Home / 165.13-227.90-95.23

Finding the Fourth Proportional to 165.13, 227.90 and 95.23

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Solution

The fourth proportional to 165.13, 227.90 and 95.23 is: 131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.13 : 227.90 = 95.23 : x
  2. Step 2: Convert to fraction form
    165.13/227.90 = 95.23/x
  3. Step 3: Cross multiply
    165.13x = 227.90 × 95.23
  4. Step 4: Simplify right side
    165.13x = 21,702.59
  5. Step 5: Solve for x
    x = 21,702.59/165.13
  6. Step 6: Final answer
    x = 131.43

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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.