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Finding the Fourth Proportional to 650.11, 975.16 and 217.27

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Solution

The fourth proportional to 650.11, 975.16 and 217.27 is: 325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.11 : 975.16 = 217.27 : x
  2. Step 2: Convert to fraction form
    650.11/975.16 = 217.27/x
  3. Step 3: Cross multiply
    650.11x = 975.16 × 217.27
  4. Step 4: Simplify right side
    650.11x = 211,869.63
  5. Step 5: Solve for x
    x = 211,869.63/650.11
  6. Step 6: Final answer
    x = 325.90

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Similar ratio
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1.5x scale

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.