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Finding the Fourth Proportional to 371.58, 511.68 and 363.07

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Solution

The fourth proportional to 371.58, 511.68 and 363.07 is: 499.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.58 : 511.68 = 363.07 : x
  2. Step 2: Convert to fraction form
    371.58/511.68 = 363.07/x
  3. Step 3: Cross multiply
    371.58x = 511.68 × 363.07
  4. Step 4: Simplify right side
    371.58x = 185,775.66
  5. Step 5: Solve for x
    x = 185,775.66/371.58
  6. Step 6: Final answer
    x = 499.96

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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.