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Finding the Fourth Proportional to 548.71, 823.11 and 183.58

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Solution

The fourth proportional to 548.71, 823.11 and 183.58 is: 275.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.71 : 823.11 = 183.58 : x
  2. Step 2: Convert to fraction form
    548.71/823.11 = 183.58/x
  3. Step 3: Cross multiply
    548.71x = 823.11 × 183.58
  4. Step 4: Simplify right side
    548.71x = 151,106.53
  5. Step 5: Solve for x
    x = 151,106.53/548.71
  6. Step 6: Final answer
    x = 275.39

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Double scale
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Similar ratio
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1.5x scale

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.