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Finding the Fourth Proportional to 556.22, 833.31 and 350.30

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Solution

The fourth proportional to 556.22, 833.31 and 350.30 is: 524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.22 : 833.31 = 350.30 : x
  2. Step 2: Convert to fraction form
    556.22/833.31 = 350.30/x
  3. Step 3: Cross multiply
    556.22x = 833.31 × 350.30
  4. Step 4: Simplify right side
    556.22x = 291,910.58
  5. Step 5: Solve for x
    x = 291,910.58/556.22
  6. Step 6: Final answer
    x = 524.81

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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.