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Finding the Fourth Proportional to 277.25, 416.07 and 132.98

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Solution

The fourth proportional to 277.25, 416.07 and 132.98 is: 199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.25 : 416.07 = 132.98 : x
  2. Step 2: Convert to fraction form
    277.25/416.07 = 132.98/x
  3. Step 3: Cross multiply
    277.25x = 416.07 × 132.98
  4. Step 4: Simplify right side
    277.25x = 55,328.99
  5. Step 5: Solve for x
    x = 55,328.99/277.25
  6. Step 6: Final answer
    x = 199.56

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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.