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Finding the Fourth Proportional to 269.91, 372.38 and 164.93

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Solution

The fourth proportional to 269.91, 372.38 and 164.93 is: 227.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.91 : 372.38 = 164.93 : x
  2. Step 2: Convert to fraction form
    269.91/372.38 = 164.93/x
  3. Step 3: Cross multiply
    269.91x = 372.38 × 164.93
  4. Step 4: Simplify right side
    269.91x = 61,413.95
  5. Step 5: Solve for x
    x = 61,413.95/269.91
  6. Step 6: Final answer
    x = 227.53

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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.