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Finding the Fourth Proportional to 249.54, 343.98 and 183.93

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Solution

The fourth proportional to 249.54, 343.98 and 183.93 is: 253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.54 : 343.98 = 183.93 : x
  2. Step 2: Convert to fraction form
    249.54/343.98 = 183.93/x
  3. Step 3: Cross multiply
    249.54x = 343.98 × 183.93
  4. Step 4: Simplify right side
    249.54x = 63,268.24
  5. Step 5: Solve for x
    x = 63,268.24/249.54
  6. Step 6: Final answer
    x = 253.54

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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.