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Finding the Fourth Proportional to 567.53, 851.51 and 220.85

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Solution

The fourth proportional to 567.53, 851.51 and 220.85 is: 331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.53 : 851.51 = 220.85 : x
  2. Step 2: Convert to fraction form
    567.53/851.51 = 220.85/x
  3. Step 3: Cross multiply
    567.53x = 851.51 × 220.85
  4. Step 4: Simplify right side
    567.53x = 188,052.28
  5. Step 5: Solve for x
    x = 188,052.28/567.53
  6. Step 6: Final answer
    x = 331.36

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Double scale
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1.5x scale

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.