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Finding the Fourth Proportional to 274.65, 377.61 and 244.86

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Solution

The fourth proportional to 274.65, 377.61 and 244.86 is: 336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.65 : 377.61 = 244.86 : x
  2. Step 2: Convert to fraction form
    274.65/377.61 = 244.86/x
  3. Step 3: Cross multiply
    274.65x = 377.61 × 244.86
  4. Step 4: Simplify right side
    274.65x = 92,461.58
  5. Step 5: Solve for x
    x = 92,461.58/274.65
  6. Step 6: Final answer
    x = 336.66

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.