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Finding the Fourth Proportional to 644.56, 966.27 and 233.62

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Solution

The fourth proportional to 644.56, 966.27 and 233.62 is: 350.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    644.56 : 966.27 = 233.62 : x
  2. Step 2: Convert to fraction form
    644.56/966.27 = 233.62/x
  3. Step 3: Cross multiply
    644.56x = 966.27 × 233.62
  4. Step 4: Simplify right side
    644.56x = 225,740.00
  5. Step 5: Solve for x
    x = 225,740.00/644.56
  6. Step 6: Final answer
    x = 350.22

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Double scale
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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.