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Finding the Fourth Proportional to 276.11, 414.10 and 93.50

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Solution

The fourth proportional to 276.11, 414.10 and 93.50 is: 140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276.11 : 414.10 = 93.50 : x
  2. Step 2: Convert to fraction form
    276.11/414.10 = 93.50/x
  3. Step 3: Cross multiply
    276.11x = 414.10 × 93.50
  4. Step 4: Simplify right side
    276.11x = 38,718.35
  5. Step 5: Solve for x
    x = 38,718.35/276.11
  6. Step 6: Final answer
    x = 140.23

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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.