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Finding the Fourth Proportional to 371.52, 559.78 and 332.22

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Solution

The fourth proportional to 371.52, 559.78 and 332.22 is: 500.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.52 : 559.78 = 332.22 : x
  2. Step 2: Convert to fraction form
    371.52/559.78 = 332.22/x
  3. Step 3: Cross multiply
    371.52x = 559.78 × 332.22
  4. Step 4: Simplify right side
    371.52x = 185,970.11
  5. Step 5: Solve for x
    x = 185,970.11/371.52
  6. Step 6: Final answer
    x = 500.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.