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Finding the Fourth Proportional to 277.39, 415.36 and 233.36

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Solution

The fourth proportional to 277.39, 415.36 and 233.36 is: 349.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.39 : 415.36 = 233.36 : x
  2. Step 2: Convert to fraction form
    277.39/415.36 = 233.36/x
  3. Step 3: Cross multiply
    277.39x = 415.36 × 233.36
  4. Step 4: Simplify right side
    277.39x = 96,927.78
  5. Step 5: Solve for x
    x = 96,927.78/277.39
  6. Step 6: Final answer
    x = 349.43

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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.