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Finding the Fourth Proportional to 506.04, 757.74 and 424.68

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Solution

The fourth proportional to 506.04, 757.74 and 424.68 is: 635.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.04 : 757.74 = 424.68 : x
  2. Step 2: Convert to fraction form
    506.04/757.74 = 424.68/x
  3. Step 3: Cross multiply
    506.04x = 757.74 × 424.68
  4. Step 4: Simplify right side
    506.04x = 321,797.02
  5. Step 5: Solve for x
    x = 321,797.02/506.04
  6. Step 6: Final answer
    x = 635.91

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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.