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Finding the Fourth Proportional to 277.66, 383.04 and 183.24

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Solution

The fourth proportional to 277.66, 383.04 and 183.24 is: 252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.66 : 383.04 = 183.24 : x
  2. Step 2: Convert to fraction form
    277.66/383.04 = 183.24/x
  3. Step 3: Cross multiply
    277.66x = 383.04 × 183.24
  4. Step 4: Simplify right side
    277.66x = 70,186.33
  5. Step 5: Solve for x
    x = 70,186.33/277.66
  6. Step 6: Final answer
    x = 252.78

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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.