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Finding the Fourth Proportional to 249.48, 341.83 and 245.83

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Solution

The fourth proportional to 249.48, 341.83 and 245.83 is: 336.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.48 : 341.83 = 245.83 : x
  2. Step 2: Convert to fraction form
    249.48/341.83 = 245.83/x
  3. Step 3: Cross multiply
    249.48x = 341.83 × 245.83
  4. Step 4: Simplify right side
    249.48x = 84,032.07
  5. Step 5: Solve for x
    x = 84,032.07/249.48
  6. Step 6: Final answer
    x = 336.84

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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.