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Finding the Fourth Proportional to 441.52, 608.26 and 308.50

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Solution

The fourth proportional to 441.52, 608.26 and 308.50 is: 425.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.52 : 608.26 = 308.50 : x
  2. Step 2: Convert to fraction form
    441.52/608.26 = 308.50/x
  3. Step 3: Cross multiply
    441.52x = 608.26 × 308.50
  4. Step 4: Simplify right side
    441.52x = 187,648.21
  5. Step 5: Solve for x
    x = 187,648.21/441.52
  6. Step 6: Final answer
    x = 425.01

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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.