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Finding the Fourth Proportional to 519.56, 777.90 and 337.16

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Solution

The fourth proportional to 519.56, 777.90 and 337.16 is: 504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    519.56 : 777.90 = 337.16 : x
  2. Step 2: Convert to fraction form
    519.56/777.90 = 337.16/x
  3. Step 3: Cross multiply
    519.56x = 777.90 × 337.16
  4. Step 4: Simplify right side
    519.56x = 262,276.76
  5. Step 5: Solve for x
    x = 262,276.76/519.56
  6. Step 6: Final answer
    x = 504.81

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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.