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Finding the Fourth Proportional to 504.55, 756.87 and 179.92

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Solution

The fourth proportional to 504.55, 756.87 and 179.92 is: 269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.55 : 756.87 = 179.92 : x
  2. Step 2: Convert to fraction form
    504.55/756.87 = 179.92/x
  3. Step 3: Cross multiply
    504.55x = 756.87 × 179.92
  4. Step 4: Simplify right side
    504.55x = 136,176.05
  5. Step 5: Solve for x
    x = 136,176.05/504.55
  6. Step 6: Final answer
    x = 269.90

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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.