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Finding the Fourth Proportional to 322.82, 445.50 and 182.93

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Solution

The fourth proportional to 322.82, 445.50 and 182.93 is: 252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.82 : 445.50 = 182.93 : x
  2. Step 2: Convert to fraction form
    322.82/445.50 = 182.93/x
  3. Step 3: Cross multiply
    322.82x = 445.50 × 182.93
  4. Step 4: Simplify right side
    322.82x = 81,495.32
  5. Step 5: Solve for x
    x = 81,495.32/322.82
  6. Step 6: Final answer
    x = 252.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.