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Finding the Fourth Proportional to 277.11, 415.97 and 235.84

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Solution

The fourth proportional to 277.11, 415.97 and 235.84 is: 354.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.11 : 415.97 = 235.84 : x
  2. Step 2: Convert to fraction form
    277.11/415.97 = 235.84/x
  3. Step 3: Cross multiply
    277.11x = 415.97 × 235.84
  4. Step 4: Simplify right side
    277.11x = 98,100.14
  5. Step 5: Solve for x
    x = 98,100.14/277.11
  6. Step 6: Final answer
    x = 354.01

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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.