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Finding the Fourth Proportional to 547.88, 822.06 and 223.19

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Solution

The fourth proportional to 547.88, 822.06 and 223.19 is: 334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.88 : 822.06 = 223.19 : x
  2. Step 2: Convert to fraction form
    547.88/822.06 = 223.19/x
  3. Step 3: Cross multiply
    547.88x = 822.06 × 223.19
  4. Step 4: Simplify right side
    547.88x = 183,475.57
  5. Step 5: Solve for x
    x = 183,475.57/547.88
  6. Step 6: Final answer
    x = 334.88

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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.