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Finding the Fourth Proportional to 277.11, 382.50 and 183.94

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Solution

The fourth proportional to 277.11, 382.50 and 183.94 is: 253.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.11 : 382.50 = 183.94 : x
  2. Step 2: Convert to fraction form
    277.11/382.50 = 183.94/x
  3. Step 3: Cross multiply
    277.11x = 382.50 × 183.94
  4. Step 4: Simplify right side
    277.11x = 70,356.09
  5. Step 5: Solve for x
    x = 70,356.09/277.11
  6. Step 6: Final answer
    x = 253.89

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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.