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Finding the Fourth Proportional to 269.95, 372.52 and 165.08

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Solution

The fourth proportional to 269.95, 372.52 and 165.08 is: 227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.95 : 372.52 = 165.08 : x
  2. Step 2: Convert to fraction form
    269.95/372.52 = 165.08/x
  3. Step 3: Cross multiply
    269.95x = 372.52 × 165.08
  4. Step 4: Simplify right side
    269.95x = 61,496.12
  5. Step 5: Solve for x
    x = 61,496.12/269.95
  6. Step 6: Final answer
    x = 227.81

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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.