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Finding the Fourth Proportional to 277.32, 414.96 and 262.48

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Solution

The fourth proportional to 277.32, 414.96 and 262.48 is: 392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.32 : 414.96 = 262.48 : x
  2. Step 2: Convert to fraction form
    277.32/414.96 = 262.48/x
  3. Step 3: Cross multiply
    277.32x = 414.96 × 262.48
  4. Step 4: Simplify right side
    277.32x = 108,918.70
  5. Step 5: Solve for x
    x = 108,918.70/277.32
  6. Step 6: Final answer
    x = 392.75

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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.