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Finding the Fourth Proportional to 371.98, 512.62 and 362.87

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Solution

The fourth proportional to 371.98, 512.62 and 362.87 is: 500.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.98 : 512.62 = 362.87 : x
  2. Step 2: Convert to fraction form
    371.98/512.62 = 362.87/x
  3. Step 3: Cross multiply
    371.98x = 512.62 × 362.87
  4. Step 4: Simplify right side
    371.98x = 186,014.42
  5. Step 5: Solve for x
    x = 186,014.42/371.98
  6. Step 6: Final answer
    x = 500.07

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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.