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Finding the Fourth Proportional to 523.36, 720.02 and 433.82

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Solution

The fourth proportional to 523.36, 720.02 and 433.82 is: 596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.36 : 720.02 = 433.82 : x
  2. Step 2: Convert to fraction form
    523.36/720.02 = 433.82/x
  3. Step 3: Cross multiply
    523.36x = 720.02 × 433.82
  4. Step 4: Simplify right side
    523.36x = 312,355.48
  5. Step 5: Solve for x
    x = 312,355.48/523.36
  6. Step 6: Final answer
    x = 596.83

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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.