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Finding the Fourth Proportional to 535.12, 737.73 and 523.46

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Solution

The fourth proportional to 535.12, 737.73 and 523.46 is: 721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.12 : 737.73 = 523.46 : x
  2. Step 2: Convert to fraction form
    535.12/737.73 = 523.46/x
  3. Step 3: Cross multiply
    535.12x = 737.73 × 523.46
  4. Step 4: Simplify right side
    535.12x = 386,173.99
  5. Step 5: Solve for x
    x = 386,173.99/535.12
  6. Step 6: Final answer
    x = 721.66

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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.