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Finding the Fourth Proportional to 565.88, 850.86 and 520.76

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Solution

The fourth proportional to 565.88, 850.86 and 520.76 is: 783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.88 : 850.86 = 520.76 : x
  2. Step 2: Convert to fraction form
    565.88/850.86 = 520.76/x
  3. Step 3: Cross multiply
    565.88x = 850.86 × 520.76
  4. Step 4: Simplify right side
    565.88x = 443,095.98
  5. Step 5: Solve for x
    x = 443,095.98/565.88
  6. Step 6: Final answer
    x = 783.03

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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.