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Finding the Fourth Proportional to 300.69, 453.24 and 247.23

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Solution

The fourth proportional to 300.69, 453.24 and 247.23 is: 372.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.69 : 453.24 = 247.23 : x
  2. Step 2: Convert to fraction form
    300.69/453.24 = 247.23/x
  3. Step 3: Cross multiply
    300.69x = 453.24 × 247.23
  4. Step 4: Simplify right side
    300.69x = 112,054.53
  5. Step 5: Solve for x
    x = 112,054.53/300.69
  6. Step 6: Final answer
    x = 372.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.