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Finding the Fourth Proportional to 371.02, 556.45 and 233.89

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Solution

The fourth proportional to 371.02, 556.45 and 233.89 is: 350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.02 : 556.45 = 233.89 : x
  2. Step 2: Convert to fraction form
    371.02/556.45 = 233.89/x
  3. Step 3: Cross multiply
    371.02x = 556.45 × 233.89
  4. Step 4: Simplify right side
    371.02x = 130,148.09
  5. Step 5: Solve for x
    x = 130,148.09/371.02
  6. Step 6: Final answer
    x = 350.78

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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.