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Finding the Fourth Proportional to 290.92, 401.53 and 273.34

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Solution

The fourth proportional to 290.92, 401.53 and 273.34 is: 377.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    290.92 : 401.53 = 273.34 : x
  2. Step 2: Convert to fraction form
    290.92/401.53 = 273.34/x
  3. Step 3: Cross multiply
    290.92x = 401.53 × 273.34
  4. Step 4: Simplify right side
    290.92x = 109,752.20
  5. Step 5: Solve for x
    x = 109,752.20/290.92
  6. Step 6: Final answer
    x = 377.26

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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.