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Finding the Fourth Proportional to 300.04, 447.86 and 279.52

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Solution

The fourth proportional to 300.04, 447.86 and 279.52 is: 417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.04 : 447.86 = 279.52 : x
  2. Step 2: Convert to fraction form
    300.04/447.86 = 279.52/x
  3. Step 3: Cross multiply
    300.04x = 447.86 × 279.52
  4. Step 4: Simplify right side
    300.04x = 125,185.41
  5. Step 5: Solve for x
    x = 125,185.41/300.04
  6. Step 6: Final answer
    x = 417.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.