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Finding the Fourth Proportional to 1,096.06, 1,644.90 and 548.50

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Solution

The fourth proportional to 1,096.06, 1,644.90 and 548.50 is: 823.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096.06 : 1,644.90 = 548.50 : x
  2. Step 2: Convert to fraction form
    1,096.06/1,644.90 = 548.50/x
  3. Step 3: Cross multiply
    1,096.06x = 1,644.90 × 548.50
  4. Step 4: Simplify right side
    1,096.06x = 902,227.65
  5. Step 5: Solve for x
    x = 902,227.65/1,096.06
  6. Step 6: Final answer
    x = 823.16

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Double scale
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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.