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Finding the Fourth Proportional to 274.05, 410.98 and 119.93

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Solution

The fourth proportional to 274.05, 410.98 and 119.93 is: 179.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.05 : 410.98 = 119.93 : x
  2. Step 2: Convert to fraction form
    274.05/410.98 = 119.93/x
  3. Step 3: Cross multiply
    274.05x = 410.98 × 119.93
  4. Step 4: Simplify right side
    274.05x = 49,288.83
  5. Step 5: Solve for x
    x = 49,288.83/274.05
  6. Step 6: Final answer
    x = 179.85

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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.