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Finding the Fourth Proportional to 300.15, 451.13 and 293.77

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Solution

The fourth proportional to 300.15, 451.13 and 293.77 is: 441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.15 : 451.13 = 293.77 : x
  2. Step 2: Convert to fraction form
    300.15/451.13 = 293.77/x
  3. Step 3: Cross multiply
    300.15x = 451.13 × 293.77
  4. Step 4: Simplify right side
    300.15x = 132,528.46
  5. Step 5: Solve for x
    x = 132,528.46/300.15
  6. Step 6: Final answer
    x = 441.54

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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.