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Finding the Fourth Proportional to 644.19, 966.14 and 182.01

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Solution

The fourth proportional to 644.19, 966.14 and 182.01 is: 272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    644.19 : 966.14 = 182.01 : x
  2. Step 2: Convert to fraction form
    644.19/966.14 = 182.01/x
  3. Step 3: Cross multiply
    644.19x = 966.14 × 182.01
  4. Step 4: Simplify right side
    644.19x = 175,851.56
  5. Step 5: Solve for x
    x = 175,851.56/644.19
  6. Step 6: Final answer
    x = 272.98

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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.