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Finding the Fourth Proportional to 567.28, 850.95 and 156.41

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Solution

The fourth proportional to 567.28, 850.95 and 156.41 is: 234.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.28 : 850.95 = 156.41 : x
  2. Step 2: Convert to fraction form
    567.28/850.95 = 156.41/x
  3. Step 3: Cross multiply
    567.28x = 850.95 × 156.41
  4. Step 4: Simplify right side
    567.28x = 133,096.31
  5. Step 5: Solve for x
    x = 133,096.31/567.28
  6. Step 6: Final answer
    x = 234.62

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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.