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Finding the Fourth Proportional to 365.33, 548.22 and 192.12

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Solution

The fourth proportional to 365.33, 548.22 and 192.12 is: 288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.33 : 548.22 = 192.12 : x
  2. Step 2: Convert to fraction form
    365.33/548.22 = 192.12/x
  3. Step 3: Cross multiply
    365.33x = 548.22 × 192.12
  4. Step 4: Simplify right side
    365.33x = 105,323.07
  5. Step 5: Solve for x
    x = 105,323.07/365.33
  6. Step 6: Final answer
    x = 288.30

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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.