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Finding the Fourth Proportional to 277.83, 414.39 and 236.79

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Solution

The fourth proportional to 277.83, 414.39 and 236.79 is: 353.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.83 : 414.39 = 236.79 : x
  2. Step 2: Convert to fraction form
    277.83/414.39 = 236.79/x
  3. Step 3: Cross multiply
    277.83x = 414.39 × 236.79
  4. Step 4: Simplify right side
    277.83x = 98,123.41
  5. Step 5: Solve for x
    x = 98,123.41/277.83
  6. Step 6: Final answer
    x = 353.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.