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Finding the Fourth Proportional to 504.75, 757.25 and 196.63

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Solution

The fourth proportional to 504.75, 757.25 and 196.63 is: 294.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.75 : 757.25 = 196.63 : x
  2. Step 2: Convert to fraction form
    504.75/757.25 = 196.63/x
  3. Step 3: Cross multiply
    504.75x = 757.25 × 196.63
  4. Step 4: Simplify right side
    504.75x = 148,898.07
  5. Step 5: Solve for x
    x = 148,898.07/504.75
  6. Step 6: Final answer
    x = 294.99

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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.