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Finding the Fourth Proportional to 835.11, 1,251.28 and 444.56

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Solution

The fourth proportional to 835.11, 1,251.28 and 444.56 is: 666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.11 : 1,251.28 = 444.56 : x
  2. Step 2: Convert to fraction form
    835.11/1,251.28 = 444.56/x
  3. Step 3: Cross multiply
    835.11x = 1,251.28 × 444.56
  4. Step 4: Simplify right side
    835.11x = 556,269.04
  5. Step 5: Solve for x
    x = 556,269.04/835.11
  6. Step 6: Final answer
    x = 666.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.