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Finding the Fourth Proportional to 563.14, 777.03 and 327.12

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Solution

The fourth proportional to 563.14, 777.03 and 327.12 is: 451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.14 : 777.03 = 327.12 : x
  2. Step 2: Convert to fraction form
    563.14/777.03 = 327.12/x
  3. Step 3: Cross multiply
    563.14x = 777.03 × 327.12
  4. Step 4: Simplify right side
    563.14x = 254,179.14
  5. Step 5: Solve for x
    x = 254,179.14/563.14
  6. Step 6: Final answer
    x = 451.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.