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Finding the Fourth Proportional to 504.16, 756.06 and 311.56

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Solution

The fourth proportional to 504.16, 756.06 and 311.56 is: 467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.16 : 756.06 = 311.56 : x
  2. Step 2: Convert to fraction form
    504.16/756.06 = 311.56/x
  3. Step 3: Cross multiply
    504.16x = 756.06 × 311.56
  4. Step 4: Simplify right side
    504.16x = 235,558.05
  5. Step 5: Solve for x
    x = 235,558.05/504.16
  6. Step 6: Final answer
    x = 467.23

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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.