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Finding the Fourth Proportional to 566.82, 851.64 and 361.47

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Solution

The fourth proportional to 566.82, 851.64 and 361.47 is: 543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.82 : 851.64 = 361.47 : x
  2. Step 2: Convert to fraction form
    566.82/851.64 = 361.47/x
  3. Step 3: Cross multiply
    566.82x = 851.64 × 361.47
  4. Step 4: Simplify right side
    566.82x = 307,842.31
  5. Step 5: Solve for x
    x = 307,842.31/566.82
  6. Step 6: Final answer
    x = 543.10

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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.