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Finding the Fourth Proportional to 192.04, 286.57 and 174.79

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Solution

The fourth proportional to 192.04, 286.57 and 174.79 is: 260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.04 : 286.57 = 174.79 : x
  2. Step 2: Convert to fraction form
    192.04/286.57 = 174.79/x
  3. Step 3: Cross multiply
    192.04x = 286.57 × 174.79
  4. Step 4: Simplify right side
    192.04x = 50,090.15
  5. Step 5: Solve for x
    x = 50,090.15/192.04
  6. Step 6: Final answer
    x = 260.84

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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.