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Finding the Fourth Proportional to 559.82, 836.14 and 444.40

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Solution

The fourth proportional to 559.82, 836.14 and 444.40 is: 663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.82 : 836.14 = 444.40 : x
  2. Step 2: Convert to fraction form
    559.82/836.14 = 444.40/x
  3. Step 3: Cross multiply
    559.82x = 836.14 × 444.40
  4. Step 4: Simplify right side
    559.82x = 371,580.62
  5. Step 5: Solve for x
    x = 371,580.62/559.82
  6. Step 6: Final answer
    x = 663.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.