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Finding the Fourth Proportional to 277.54, 383.02 and 190.24

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Solution

The fourth proportional to 277.54, 383.02 and 190.24 is: 262.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.54 : 383.02 = 190.24 : x
  2. Step 2: Convert to fraction form
    277.54/383.02 = 190.24/x
  3. Step 3: Cross multiply
    277.54x = 383.02 × 190.24
  4. Step 4: Simplify right side
    277.54x = 72,865.72
  5. Step 5: Solve for x
    x = 72,865.72/277.54
  6. Step 6: Final answer
    x = 262.54

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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.