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Finding the Fourth Proportional to 362.27, 499.43 and 284.51

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Solution

The fourth proportional to 362.27, 499.43 and 284.51 is: 392.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.27 : 499.43 = 284.51 : x
  2. Step 2: Convert to fraction form
    362.27/499.43 = 284.51/x
  3. Step 3: Cross multiply
    362.27x = 499.43 × 284.51
  4. Step 4: Simplify right side
    362.27x = 142,091.41
  5. Step 5: Solve for x
    x = 142,091.41/362.27
  6. Step 6: Final answer
    x = 392.23

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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.