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Finding the Fourth Proportional to 631.04, 869.33 and 594.14

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Solution

The fourth proportional to 631.04, 869.33 and 594.14 is: 818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    631.04 : 869.33 = 594.14 : x
  2. Step 2: Convert to fraction form
    631.04/869.33 = 594.14/x
  3. Step 3: Cross multiply
    631.04x = 869.33 × 594.14
  4. Step 4: Simplify right side
    631.04x = 516,500.86
  5. Step 5: Solve for x
    x = 516,500.86/631.04
  6. Step 6: Final answer
    x = 818.49

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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.