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Finding the Fourth Proportional to 504.53, 756.19 and 211.92

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Solution

The fourth proportional to 504.53, 756.19 and 211.92 is: 317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.53 : 756.19 = 211.92 : x
  2. Step 2: Convert to fraction form
    504.53/756.19 = 211.92/x
  3. Step 3: Cross multiply
    504.53x = 756.19 × 211.92
  4. Step 4: Simplify right side
    504.53x = 160,248.02
  5. Step 5: Solve for x
    x = 160,248.02/504.53
  6. Step 6: Final answer
    x = 317.62

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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.