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Finding the Fourth Proportional to 629.54, 944.32 and 300.51

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Solution

The fourth proportional to 629.54, 944.32 and 300.51 is: 450.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.54 : 944.32 = 300.51 : x
  2. Step 2: Convert to fraction form
    629.54/944.32 = 300.51/x
  3. Step 3: Cross multiply
    629.54x = 944.32 × 300.51
  4. Step 4: Simplify right side
    629.54x = 283,776.85
  5. Step 5: Solve for x
    x = 283,776.85/629.54
  6. Step 6: Final answer
    x = 450.77

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Double scale
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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.