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Finding the Fourth Proportional to 277.00, 381.43 and 237.36

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Solution

The fourth proportional to 277.00, 381.43 and 237.36 is: 326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.00 : 381.43 = 237.36 : x
  2. Step 2: Convert to fraction form
    277.00/381.43 = 237.36/x
  3. Step 3: Cross multiply
    277.00x = 381.43 × 237.36
  4. Step 4: Simplify right side
    277.00x = 90,535.63
  5. Step 5: Solve for x
    x = 90,535.63/277.00
  6. Step 6: Final answer
    x = 326.85

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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.