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Finding the Fourth Proportional to 567.54, 851.92 and 477.24

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Solution

The fourth proportional to 567.54, 851.92 and 477.24 is: 716.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.54 : 851.92 = 477.24 : x
  2. Step 2: Convert to fraction form
    567.54/851.92 = 477.24/x
  3. Step 3: Cross multiply
    567.54x = 851.92 × 477.24
  4. Step 4: Simplify right side
    567.54x = 406,570.30
  5. Step 5: Solve for x
    x = 406,570.30/567.54
  6. Step 6: Final answer
    x = 716.37

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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.