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Finding the Fourth Proportional to 506.25, 754.77 and 475.27

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Solution

The fourth proportional to 506.25, 754.77 and 475.27 is: 708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.25 : 754.77 = 475.27 : x
  2. Step 2: Convert to fraction form
    506.25/754.77 = 475.27/x
  3. Step 3: Cross multiply
    506.25x = 754.77 × 475.27
  4. Step 4: Simplify right side
    506.25x = 358,716.76
  5. Step 5: Solve for x
    x = 358,716.76/506.25
  6. Step 6: Final answer
    x = 708.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.