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Finding the Fourth Proportional to 629.49, 944.23 and 456.24

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Solution

The fourth proportional to 629.49, 944.23 and 456.24 is: 684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.49 : 944.23 = 456.24 : x
  2. Step 2: Convert to fraction form
    629.49/944.23 = 456.24/x
  3. Step 3: Cross multiply
    629.49x = 944.23 × 456.24
  4. Step 4: Simplify right side
    629.49x = 430,794.35
  5. Step 5: Solve for x
    x = 430,794.35/629.49
  6. Step 6: Final answer
    x = 684.35

Related Problems

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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.