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Finding the Fourth Proportional to 523.35, 783.96 and 248.61

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Solution

The fourth proportional to 523.35, 783.96 and 248.61 is: 372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.35 : 783.96 = 248.61 : x
  2. Step 2: Convert to fraction form
    523.35/783.96 = 248.61/x
  3. Step 3: Cross multiply
    523.35x = 783.96 × 248.61
  4. Step 4: Simplify right side
    523.35x = 194,900.30
  5. Step 5: Solve for x
    x = 194,900.30/523.35
  6. Step 6: Final answer
    x = 372.41

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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.