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Finding the Fourth Proportional to 300.10, 452.19 and 249.86

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Solution

The fourth proportional to 300.10, 452.19 and 249.86 is: 376.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.10 : 452.19 = 249.86 : x
  2. Step 2: Convert to fraction form
    300.10/452.19 = 249.86/x
  3. Step 3: Cross multiply
    300.10x = 452.19 × 249.86
  4. Step 4: Simplify right side
    300.10x = 112,985.32
  5. Step 5: Solve for x
    x = 112,985.32/300.10
  6. Step 6: Final answer
    x = 376.50

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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.