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Finding the Fourth Proportional to 383.11, 527.23 and 366.71

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Solution

The fourth proportional to 383.11, 527.23 and 366.71 is: 504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.11 : 527.23 = 366.71 : x
  2. Step 2: Convert to fraction form
    383.11/527.23 = 366.71/x
  3. Step 3: Cross multiply
    383.11x = 527.23 × 366.71
  4. Step 4: Simplify right side
    383.11x = 193,340.51
  5. Step 5: Solve for x
    x = 193,340.51/383.11
  6. Step 6: Final answer
    x = 504.66

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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.