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Finding the Fourth Proportional to 363.92, 501.93 and 270.66

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Solution

The fourth proportional to 363.92, 501.93 and 270.66 is: 373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.92 : 501.93 = 270.66 : x
  2. Step 2: Convert to fraction form
    363.92/501.93 = 270.66/x
  3. Step 3: Cross multiply
    363.92x = 501.93 × 270.66
  4. Step 4: Simplify right side
    363.92x = 135,852.37
  5. Step 5: Solve for x
    x = 135,852.37/363.92
  6. Step 6: Final answer
    x = 373.30

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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.