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Finding the Fourth Proportional to 401.22, 600.75 and 332.51

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Solution

The fourth proportional to 401.22, 600.75 and 332.51 is: 497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    401.22 : 600.75 = 332.51 : x
  2. Step 2: Convert to fraction form
    401.22/600.75 = 332.51/x
  3. Step 3: Cross multiply
    401.22x = 600.75 × 332.51
  4. Step 4: Simplify right side
    401.22x = 199,752.38
  5. Step 5: Solve for x
    x = 199,752.38/401.22
  6. Step 6: Final answer
    x = 497.86

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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.