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Finding the Fourth Proportional to 352.04, 485.82 and 194.68

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Solution

The fourth proportional to 352.04, 485.82 and 194.68 is: 268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.04 : 485.82 = 194.68 : x
  2. Step 2: Convert to fraction form
    352.04/485.82 = 194.68/x
  3. Step 3: Cross multiply
    352.04x = 485.82 × 194.68
  4. Step 4: Simplify right side
    352.04x = 94,580.04
  5. Step 5: Solve for x
    x = 94,580.04/352.04
  6. Step 6: Final answer
    x = 268.66

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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.