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Finding the Fourth Proportional to 250.93, 378.30 and 233.31

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Solution

The fourth proportional to 250.93, 378.30 and 233.31 is: 351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.93 : 378.30 = 233.31 : x
  2. Step 2: Convert to fraction form
    250.93/378.30 = 233.31/x
  3. Step 3: Cross multiply
    250.93x = 378.30 × 233.31
  4. Step 4: Simplify right side
    250.93x = 88,263.47
  5. Step 5: Solve for x
    x = 88,263.47/250.93
  6. Step 6: Final answer
    x = 351.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.