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Finding the Fourth Proportional to 503.32, 694.23 and 437.71

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Solution

The fourth proportional to 503.32, 694.23 and 437.71 is: 603.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.32 : 694.23 = 437.71 : x
  2. Step 2: Convert to fraction form
    503.32/694.23 = 437.71/x
  3. Step 3: Cross multiply
    503.32x = 694.23 × 437.71
  4. Step 4: Simplify right side
    503.32x = 303,871.41
  5. Step 5: Solve for x
    x = 303,871.41/503.32
  6. Step 6: Final answer
    x = 603.73

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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.