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Finding the Fourth Proportional to 295.22, 406.81 and 248.51

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Solution

The fourth proportional to 295.22, 406.81 and 248.51 is: 342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.22 : 406.81 = 248.51 : x
  2. Step 2: Convert to fraction form
    295.22/406.81 = 248.51/x
  3. Step 3: Cross multiply
    295.22x = 406.81 × 248.51
  4. Step 4: Simplify right side
    295.22x = 101,096.35
  5. Step 5: Solve for x
    x = 101,096.35/295.22
  6. Step 6: Final answer
    x = 342.44

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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.