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Finding the Fourth Proportional to 566.12, 849.50 and 277.80

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Solution

The fourth proportional to 566.12, 849.50 and 277.80 is: 416.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.12 : 849.50 = 277.80 : x
  2. Step 2: Convert to fraction form
    566.12/849.50 = 277.80/x
  3. Step 3: Cross multiply
    566.12x = 849.50 × 277.80
  4. Step 4: Simplify right side
    566.12x = 235,991.10
  5. Step 5: Solve for x
    x = 235,991.10/566.12
  6. Step 6: Final answer
    x = 416.86

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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.