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Finding the Fourth Proportional to 199.08, 274.32 and 182.52

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Solution

The fourth proportional to 199.08, 274.32 and 182.52 is: 251.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.08 : 274.32 = 182.52 : x
  2. Step 2: Convert to fraction form
    199.08/274.32 = 182.52/x
  3. Step 3: Cross multiply
    199.08x = 274.32 × 182.52
  4. Step 4: Simplify right side
    199.08x = 50,068.89
  5. Step 5: Solve for x
    x = 50,068.89/199.08
  6. Step 6: Final answer
    x = 251.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.