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Finding the Fourth Proportional to 364.07, 546.39 and 190.79

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Solution

The fourth proportional to 364.07, 546.39 and 190.79 is: 286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.07 : 546.39 = 190.79 : x
  2. Step 2: Convert to fraction form
    364.07/546.39 = 190.79/x
  3. Step 3: Cross multiply
    364.07x = 546.39 × 190.79
  4. Step 4: Simplify right side
    364.07x = 104,243.02
  5. Step 5: Solve for x
    x = 104,243.02/364.07
  6. Step 6: Final answer
    x = 286.33

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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.