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Finding the Fourth Proportional to 248.29, 343.46 and 233.93

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Solution

The fourth proportional to 248.29, 343.46 and 233.93 is: 323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.29 : 343.46 = 233.93 : x
  2. Step 2: Convert to fraction form
    248.29/343.46 = 233.93/x
  3. Step 3: Cross multiply
    248.29x = 343.46 × 233.93
  4. Step 4: Simplify right side
    248.29x = 80,347.04
  5. Step 5: Solve for x
    x = 80,347.04/248.29
  6. Step 6: Final answer
    x = 323.60

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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.