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Finding the Fourth Proportional to 366.27, 504.32 and 286.30

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Solution

The fourth proportional to 366.27, 504.32 and 286.30 is: 394.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.27 : 504.32 = 286.30 : x
  2. Step 2: Convert to fraction form
    366.27/504.32 = 286.30/x
  3. Step 3: Cross multiply
    366.27x = 504.32 × 286.30
  4. Step 4: Simplify right side
    366.27x = 144,386.01
  5. Step 5: Solve for x
    x = 144,386.01/366.27
  6. Step 6: Final answer
    x = 394.21

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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.