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Finding the Fourth Proportional to 566.74, 849.38 and 493.30

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Solution

The fourth proportional to 566.74, 849.38 and 493.30 is: 739.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.74 : 849.38 = 493.30 : x
  2. Step 2: Convert to fraction form
    566.74/849.38 = 493.30/x
  3. Step 3: Cross multiply
    566.74x = 849.38 × 493.30
  4. Step 4: Simplify right side
    566.74x = 418,992.44
  5. Step 5: Solve for x
    x = 418,992.44/566.74
  6. Step 6: Final answer
    x = 739.31

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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.