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Finding the Fourth Proportional to 503.73, 693.72 and 437.31

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Solution

The fourth proportional to 503.73, 693.72 and 437.31 is: 602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.73 : 693.72 = 437.31 : x
  2. Step 2: Convert to fraction form
    503.73/693.72 = 437.31/x
  3. Step 3: Cross multiply
    503.73x = 693.72 × 437.31
  4. Step 4: Simplify right side
    503.73x = 303,370.69
  5. Step 5: Solve for x
    x = 303,370.69/503.73
  6. Step 6: Final answer
    x = 602.25

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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.