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Finding the Fourth Proportional to 503.19, 694.19 and 293.36

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Solution

The fourth proportional to 503.19, 694.19 and 293.36 is: 404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.19 : 694.19 = 293.36 : x
  2. Step 2: Convert to fraction form
    503.19/694.19 = 293.36/x
  3. Step 3: Cross multiply
    503.19x = 694.19 × 293.36
  4. Step 4: Simplify right side
    503.19x = 203,644.84
  5. Step 5: Solve for x
    x = 203,644.84/503.19
  6. Step 6: Final answer
    x = 404.71

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.