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Finding the Fourth Proportional to 352.83, 529.20 and 92.82

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Solution

The fourth proportional to 352.83, 529.20 and 92.82 is: 139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.83 : 529.20 = 92.82 : x
  2. Step 2: Convert to fraction form
    352.83/529.20 = 92.82/x
  3. Step 3: Cross multiply
    352.83x = 529.20 × 92.82
  4. Step 4: Simplify right side
    352.83x = 49,120.34
  5. Step 5: Solve for x
    x = 49,120.34/352.83
  6. Step 6: Final answer
    x = 139.22

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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.