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Finding the Fourth Proportional to 351.22, 525.97 and 264.46

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Solution

The fourth proportional to 351.22, 525.97 and 264.46 is: 396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.22 : 525.97 = 264.46 : x
  2. Step 2: Convert to fraction form
    351.22/525.97 = 264.46/x
  3. Step 3: Cross multiply
    351.22x = 525.97 × 264.46
  4. Step 4: Simplify right side
    351.22x = 139,098.03
  5. Step 5: Solve for x
    x = 139,098.03/351.22
  6. Step 6: Final answer
    x = 396.04

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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.