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Finding the Fourth Proportional to 548.68, 823.03 and 183.47

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Solution

The fourth proportional to 548.68, 823.03 and 183.47 is: 275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.68 : 823.03 = 183.47 : x
  2. Step 2: Convert to fraction form
    548.68/823.03 = 183.47/x
  3. Step 3: Cross multiply
    548.68x = 823.03 × 183.47
  4. Step 4: Simplify right side
    548.68x = 151,001.31
  5. Step 5: Solve for x
    x = 151,001.31/548.68
  6. Step 6: Final answer
    x = 275.21

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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.