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Finding the Fourth Proportional to 269.91, 372.60 and 262.62

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Solution

The fourth proportional to 269.91, 372.60 and 262.62 is: 362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.91 : 372.60 = 262.62 : x
  2. Step 2: Convert to fraction form
    269.91/372.60 = 262.62/x
  3. Step 3: Cross multiply
    269.91x = 372.60 × 262.62
  4. Step 4: Simplify right side
    269.91x = 97,852.21
  5. Step 5: Solve for x
    x = 97,852.21/269.91
  6. Step 6: Final answer
    x = 362.54

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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.