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Finding the Fourth Proportional to 506.46, 759.74 and 181.92

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Solution

The fourth proportional to 506.46, 759.74 and 181.92 is: 272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.46 : 759.74 = 181.92 : x
  2. Step 2: Convert to fraction form
    506.46/759.74 = 181.92/x
  3. Step 3: Cross multiply
    506.46x = 759.74 × 181.92
  4. Step 4: Simplify right side
    506.46x = 138,210.99
  5. Step 5: Solve for x
    x = 138,210.99/506.46
  6. Step 6: Final answer
    x = 272.90

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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.