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Finding the Fourth Proportional to 503.00, 694.22 and 303.99

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Solution

The fourth proportional to 503.00, 694.22 and 303.99 is: 419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.00 : 694.22 = 303.99 : x
  2. Step 2: Convert to fraction form
    503.00/694.22 = 303.99/x
  3. Step 3: Cross multiply
    503.00x = 694.22 × 303.99
  4. Step 4: Simplify right side
    503.00x = 211,034.42
  5. Step 5: Solve for x
    x = 211,034.42/503.00
  6. Step 6: Final answer
    x = 419.56

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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.