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Finding the Fourth Proportional to 319.58, 441.46 and 250.52

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Solution

The fourth proportional to 319.58, 441.46 and 250.52 is: 346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    319.58 : 441.46 = 250.52 : x
  2. Step 2: Convert to fraction form
    319.58/441.46 = 250.52/x
  3. Step 3: Cross multiply
    319.58x = 441.46 × 250.52
  4. Step 4: Simplify right side
    319.58x = 110,594.56
  5. Step 5: Solve for x
    x = 110,594.56/319.58
  6. Step 6: Final answer
    x = 346.06

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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.