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Finding the Fourth Proportional to 506.37, 758.80 and 275.38

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Solution

The fourth proportional to 506.37, 758.80 and 275.38 is: 412.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.37 : 758.80 = 275.38 : x
  2. Step 2: Convert to fraction form
    506.37/758.80 = 275.38/x
  3. Step 3: Cross multiply
    506.37x = 758.80 × 275.38
  4. Step 4: Simplify right side
    506.37x = 208,958.34
  5. Step 5: Solve for x
    x = 208,958.34/506.37
  6. Step 6: Final answer
    x = 412.66

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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.