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Finding the Fourth Proportional to 366.99, 506.54 and 283.96

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Solution

The fourth proportional to 366.99, 506.54 and 283.96 is: 391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.99 : 506.54 = 283.96 : x
  2. Step 2: Convert to fraction form
    366.99/506.54 = 283.96/x
  3. Step 3: Cross multiply
    366.99x = 506.54 × 283.96
  4. Step 4: Simplify right side
    366.99x = 143,837.10
  5. Step 5: Solve for x
    x = 143,837.10/366.99
  6. Step 6: Final answer
    x = 391.94

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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.