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Finding the Fourth Proportional to 364.48, 546.28 and 182.09

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Solution

The fourth proportional to 364.48, 546.28 and 182.09 is: 272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.48 : 546.28 = 182.09 : x
  2. Step 2: Convert to fraction form
    364.48/546.28 = 182.09/x
  3. Step 3: Cross multiply
    364.48x = 546.28 × 182.09
  4. Step 4: Simplify right side
    364.48x = 99,473.04
  5. Step 5: Solve for x
    x = 99,473.04/364.48
  6. Step 6: Final answer
    x = 272.92

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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.