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Finding the Fourth Proportional to 563.08, 777.30 and 366.73

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Solution

The fourth proportional to 563.08, 777.30 and 366.73 is: 506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.08 : 777.30 = 366.73 : x
  2. Step 2: Convert to fraction form
    563.08/777.30 = 366.73/x
  3. Step 3: Cross multiply
    563.08x = 777.30 × 366.73
  4. Step 4: Simplify right side
    563.08x = 285,059.23
  5. Step 5: Solve for x
    x = 285,059.23/563.08
  6. Step 6: Final answer
    x = 506.25

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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.