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Finding the Fourth Proportional to 371.02, 555.78 and 224.69

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Solution

The fourth proportional to 371.02, 555.78 and 224.69 is: 336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.02 : 555.78 = 224.69 : x
  2. Step 2: Convert to fraction form
    371.02/555.78 = 224.69/x
  3. Step 3: Cross multiply
    371.02x = 555.78 × 224.69
  4. Step 4: Simplify right side
    371.02x = 124,878.21
  5. Step 5: Solve for x
    x = 124,878.21/371.02
  6. Step 6: Final answer
    x = 336.58

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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.