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Finding the Fourth Proportional to 523.37, 784.85 and 249.39

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Solution

The fourth proportional to 523.37, 784.85 and 249.39 is: 373.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.37 : 784.85 = 249.39 : x
  2. Step 2: Convert to fraction form
    523.37/784.85 = 249.39/x
  3. Step 3: Cross multiply
    523.37x = 784.85 × 249.39
  4. Step 4: Simplify right side
    523.37x = 195,732.49
  5. Step 5: Solve for x
    x = 195,732.49/523.37
  6. Step 6: Final answer
    x = 373.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.