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Finding the Fourth Proportional to 377.09, 519.50 and 266.39

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Solution

The fourth proportional to 377.09, 519.50 and 266.39 is: 366.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.09 : 519.50 = 266.39 : x
  2. Step 2: Convert to fraction form
    377.09/519.50 = 266.39/x
  3. Step 3: Cross multiply
    377.09x = 519.50 × 266.39
  4. Step 4: Simplify right side
    377.09x = 138,385.68
  5. Step 5: Solve for x
    x = 138,385.68/377.09
  6. Step 6: Final answer
    x = 366.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.