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Finding the Fourth Proportional to 334.87, 462.31 and 256.04

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Solution

The fourth proportional to 334.87, 462.31 and 256.04 is: 353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.87 : 462.31 = 256.04 : x
  2. Step 2: Convert to fraction form
    334.87/462.31 = 256.04/x
  3. Step 3: Cross multiply
    334.87x = 462.31 × 256.04
  4. Step 4: Simplify right side
    334.87x = 118,366.90
  5. Step 5: Solve for x
    x = 118,366.90/334.87
  6. Step 6: Final answer
    x = 353.47

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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.