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Finding the Fourth Proportional to 300.06, 450.06 and 83.58

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Solution

The fourth proportional to 300.06, 450.06 and 83.58 is: 125.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.06 : 450.06 = 83.58 : x
  2. Step 2: Convert to fraction form
    300.06/450.06 = 83.58/x
  3. Step 3: Cross multiply
    300.06x = 450.06 × 83.58
  4. Step 4: Simplify right side
    300.06x = 37,616.01
  5. Step 5: Solve for x
    x = 37,616.01/300.06
  6. Step 6: Final answer
    x = 125.36

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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.