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Finding the Fourth Proportional to 631.08, 944.08 and 565.43

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Solution

The fourth proportional to 631.08, 944.08 and 565.43 is: 845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    631.08 : 944.08 = 565.43 : x
  2. Step 2: Convert to fraction form
    631.08/944.08 = 565.43/x
  3. Step 3: Cross multiply
    631.08x = 944.08 × 565.43
  4. Step 4: Simplify right side
    631.08x = 533,812.10
  5. Step 5: Solve for x
    x = 533,812.10/631.08
  6. Step 6: Final answer
    x = 845.87

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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.