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Finding the Fourth Proportional to 563.12, 844.70 and 270.57

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Solution

The fourth proportional to 563.12, 844.70 and 270.57 is: 405.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.12 : 844.70 = 270.57 : x
  2. Step 2: Convert to fraction form
    563.12/844.70 = 270.57/x
  3. Step 3: Cross multiply
    563.12x = 844.70 × 270.57
  4. Step 4: Simplify right side
    563.12x = 228,552.29
  5. Step 5: Solve for x
    x = 228,552.29/563.12
  6. Step 6: Final answer
    x = 405.87

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Double scale
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Similar ratio
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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.