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Finding the Fourth Proportional to 537, 805.71 and 516.03

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Solution

The fourth proportional to 537, 805.71 and 516.03 is: 774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    537 : 805.71 = 516.03 : x
  2. Step 2: Convert to fraction form
    537/805.71 = 516.03/x
  3. Step 3: Cross multiply
    537x = 805.71 × 516.03
  4. Step 4: Simplify right side
    537x = 415,770.53
  5. Step 5: Solve for x
    x = 415,770.53/537
  6. Step 6: Final answer
    x = 774.25

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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.