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Finding the Fourth Proportional to 452.12, 677.16 and 269.73

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Solution

The fourth proportional to 452.12, 677.16 and 269.73 is: 403.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.12 : 677.16 = 269.73 : x
  2. Step 2: Convert to fraction form
    452.12/677.16 = 269.73/x
  3. Step 3: Cross multiply
    452.12x = 677.16 × 269.73
  4. Step 4: Simplify right side
    452.12x = 182,650.37
  5. Step 5: Solve for x
    x = 182,650.37/452.12
  6. Step 6: Final answer
    x = 403.99

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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.