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Finding the Fourth Proportional to 644.01, 965.76 and 232.93

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Solution

The fourth proportional to 644.01, 965.76 and 232.93 is: 349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    644.01 : 965.76 = 232.93 : x
  2. Step 2: Convert to fraction form
    644.01/965.76 = 232.93/x
  3. Step 3: Cross multiply
    644.01x = 965.76 × 232.93
  4. Step 4: Simplify right side
    644.01x = 224,954.48
  5. Step 5: Solve for x
    x = 224,954.48/644.01
  6. Step 6: Final answer
    x = 349.30

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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.