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Finding the Fourth Proportional to 563.34, 844.38 and 270.66

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Solution

The fourth proportional to 563.34, 844.38 and 270.66 is: 405.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.34 : 844.38 = 270.66 : x
  2. Step 2: Convert to fraction form
    563.34/844.38 = 270.66/x
  3. Step 3: Cross multiply
    563.34x = 844.38 × 270.66
  4. Step 4: Simplify right side
    563.34x = 228,539.89
  5. Step 5: Solve for x
    x = 228,539.89/563.34
  6. Step 6: Final answer
    x = 405.69

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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.