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Finding the Fourth Proportional to 506.01, 757.42 and 274.56

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Solution

The fourth proportional to 506.01, 757.42 and 274.56 is: 410.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.01 : 757.42 = 274.56 : x
  2. Step 2: Convert to fraction form
    506.01/757.42 = 274.56/x
  3. Step 3: Cross multiply
    506.01x = 757.42 × 274.56
  4. Step 4: Simplify right side
    506.01x = 207,953.71
  5. Step 5: Solve for x
    x = 207,953.71/506.01
  6. Step 6: Final answer
    x = 410.96

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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.