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Finding the Fourth Proportional to 274.74, 377.54 and 245.58

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Solution

The fourth proportional to 274.74, 377.54 and 245.58 is: 337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.74 : 377.54 = 245.58 : x
  2. Step 2: Convert to fraction form
    274.74/377.54 = 245.58/x
  3. Step 3: Cross multiply
    274.74x = 377.54 × 245.58
  4. Step 4: Simplify right side
    274.74x = 92,715.05
  5. Step 5: Solve for x
    x = 92,715.05/274.74
  6. Step 6: Final answer
    x = 337.46

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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.