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Finding the Fourth Proportional to 248.51, 345.10 and 246.11

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Solution

The fourth proportional to 248.51, 345.10 and 246.11 is: 341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.51 : 345.10 = 246.11 : x
  2. Step 2: Convert to fraction form
    248.51/345.10 = 246.11/x
  3. Step 3: Cross multiply
    248.51x = 345.10 × 246.11
  4. Step 4: Simplify right side
    248.51x = 84,932.56
  5. Step 5: Solve for x
    x = 84,932.56/248.51
  6. Step 6: Final answer
    x = 341.77

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.