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Finding the Fourth Proportional to 274.83, 410.46 and 238.38

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Solution

The fourth proportional to 274.83, 410.46 and 238.38 is: 356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.83 : 410.46 = 238.38 : x
  2. Step 2: Convert to fraction form
    274.83/410.46 = 238.38/x
  3. Step 3: Cross multiply
    274.83x = 410.46 × 238.38
  4. Step 4: Simplify right side
    274.83x = 97,845.45
  5. Step 5: Solve for x
    x = 97,845.45/274.83
  6. Step 6: Final answer
    x = 356.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.