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Finding the Fourth Proportional to 495.11, 742.03 and 263.52

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Solution

The fourth proportional to 495.11, 742.03 and 263.52 is: 394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.11 : 742.03 = 263.52 : x
  2. Step 2: Convert to fraction form
    495.11/742.03 = 263.52/x
  3. Step 3: Cross multiply
    495.11x = 742.03 × 263.52
  4. Step 4: Simplify right side
    495.11x = 195,539.75
  5. Step 5: Solve for x
    x = 195,539.75/495.11
  6. Step 6: Final answer
    x = 394.94

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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.