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Finding the Fourth Proportional to 523.20, 783.58 and 248.41

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Solution

The fourth proportional to 523.20, 783.58 and 248.41 is: 372.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.20 : 783.58 = 248.41 : x
  2. Step 2: Convert to fraction form
    523.20/783.58 = 248.41/x
  3. Step 3: Cross multiply
    523.20x = 783.58 × 248.41
  4. Step 4: Simplify right side
    523.20x = 194,649.11
  5. Step 5: Solve for x
    x = 194,649.11/523.20
  6. Step 6: Final answer
    x = 372.04

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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.