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Finding the Fourth Proportional to 199.00, 296.54 and 192.47

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Solution

The fourth proportional to 199.00, 296.54 and 192.47 is: 286.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.00 : 296.54 = 192.47 : x
  2. Step 2: Convert to fraction form
    199.00/296.54 = 192.47/x
  3. Step 3: Cross multiply
    199.00x = 296.54 × 192.47
  4. Step 4: Simplify right side
    199.00x = 57,076.28
  5. Step 5: Solve for x
    x = 57,076.28/199.00
  6. Step 6: Final answer
    x = 286.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.