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Finding the Fourth Proportional to 467.22, 645.93 and 350.58

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Solution

The fourth proportional to 467.22, 645.93 and 350.58 is: 484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.22 : 645.93 = 350.58 : x
  2. Step 2: Convert to fraction form
    467.22/645.93 = 350.58/x
  3. Step 3: Cross multiply
    467.22x = 645.93 × 350.58
  4. Step 4: Simplify right side
    467.22x = 226,450.14
  5. Step 5: Solve for x
    x = 226,450.14/467.22
  6. Step 6: Final answer
    x = 484.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.