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Finding the Fourth Proportional to 293.14, 403.77 and 227.53

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Solution

The fourth proportional to 293.14, 403.77 and 227.53 is: 313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.14 : 403.77 = 227.53 : x
  2. Step 2: Convert to fraction form
    293.14/403.77 = 227.53/x
  3. Step 3: Cross multiply
    293.14x = 403.77 × 227.53
  4. Step 4: Simplify right side
    293.14x = 91,869.79
  5. Step 5: Solve for x
    x = 91,869.79/293.14
  6. Step 6: Final answer
    x = 313.40

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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.