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Finding the Fourth Proportional to 371.63, 556.95 and 224.77

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Solution

The fourth proportional to 371.63, 556.95 and 224.77 is: 336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.63 : 556.95 = 224.77 : x
  2. Step 2: Convert to fraction form
    371.63/556.95 = 224.77/x
  3. Step 3: Cross multiply
    371.63x = 556.95 × 224.77
  4. Step 4: Simplify right side
    371.63x = 125,184.26
  5. Step 5: Solve for x
    x = 125,184.26/371.63
  6. Step 6: Final answer
    x = 336.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.