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Finding the Fourth Proportional to 559.36, 837.29 and 353.62

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Solution

The fourth proportional to 559.36, 837.29 and 353.62 is: 529.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.36 : 837.29 = 353.62 : x
  2. Step 2: Convert to fraction form
    559.36/837.29 = 353.62/x
  3. Step 3: Cross multiply
    559.36x = 837.29 × 353.62
  4. Step 4: Simplify right side
    559.36x = 296,077.72
  5. Step 5: Solve for x
    x = 296,077.72/559.36
  6. Step 6: Final answer
    x = 529.32

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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.