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Finding the Fourth Proportional to 471.58, 650.58 and 323.96

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Solution

The fourth proportional to 471.58, 650.58 and 323.96 is: 446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.58 : 650.58 = 323.96 : x
  2. Step 2: Convert to fraction form
    471.58/650.58 = 323.96/x
  3. Step 3: Cross multiply
    471.58x = 650.58 × 323.96
  4. Step 4: Simplify right side
    471.58x = 210,761.90
  5. Step 5: Solve for x
    x = 210,761.90/471.58
  6. Step 6: Final answer
    x = 446.93

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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.