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Finding the Fourth Proportional to 559.75, 837.55 and 353.36

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Solution

The fourth proportional to 559.75, 837.55 and 353.36 is: 528.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.75 : 837.55 = 353.36 : x
  2. Step 2: Convert to fraction form
    559.75/837.55 = 353.36/x
  3. Step 3: Cross multiply
    559.75x = 837.55 × 353.36
  4. Step 4: Simplify right side
    559.75x = 295,956.67
  5. Step 5: Solve for x
    x = 295,956.67/559.75
  6. Step 6: Final answer
    x = 528.73

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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.