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Finding the Fourth Proportional to 269.45, 404.02 and 96.06

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Solution

The fourth proportional to 269.45, 404.02 and 96.06 is: 144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.45 : 404.02 = 96.06 : x
  2. Step 2: Convert to fraction form
    269.45/404.02 = 96.06/x
  3. Step 3: Cross multiply
    269.45x = 404.02 × 96.06
  4. Step 4: Simplify right side
    269.45x = 38,810.16
  5. Step 5: Solve for x
    x = 38,810.16/269.45
  6. Step 6: Final answer
    x = 144.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.