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Finding the Fourth Proportional to 650.46, 973.56 and 443.76

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Solution

The fourth proportional to 650.46, 973.56 and 443.76 is: 664.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.46 : 973.56 = 443.76 : x
  2. Step 2: Convert to fraction form
    650.46/973.56 = 443.76/x
  3. Step 3: Cross multiply
    650.46x = 973.56 × 443.76
  4. Step 4: Simplify right side
    650.46x = 432,026.99
  5. Step 5: Solve for x
    x = 432,026.99/650.46
  6. Step 6: Final answer
    x = 664.19

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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.