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Finding the Fourth Proportional to 563.88, 844.54 and 274.76

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Solution

The fourth proportional to 563.88, 844.54 and 274.76 is: 411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.88 : 844.54 = 274.76 : x
  2. Step 2: Convert to fraction form
    563.88/844.54 = 274.76/x
  3. Step 3: Cross multiply
    563.88x = 844.54 × 274.76
  4. Step 4: Simplify right side
    563.88x = 232,045.81
  5. Step 5: Solve for x
    x = 232,045.81/563.88
  6. Step 6: Final answer
    x = 411.52

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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.