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Finding the Fourth Proportional to 629.51, 944.24 and 239.49

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Solution

The fourth proportional to 629.51, 944.24 and 239.49 is: 359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.51 : 944.24 = 239.49 : x
  2. Step 2: Convert to fraction form
    629.51/944.24 = 239.49/x
  3. Step 3: Cross multiply
    629.51x = 944.24 × 239.49
  4. Step 4: Simplify right side
    629.51x = 226,134.84
  5. Step 5: Solve for x
    x = 226,134.84/629.51
  6. Step 6: Final answer
    x = 359.23

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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.