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Finding the Fourth Proportional to 483.22, 666.52 and 350.21

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Solution

The fourth proportional to 483.22, 666.52 and 350.21 is: 483.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.22 : 666.52 = 350.21 : x
  2. Step 2: Convert to fraction form
    483.22/666.52 = 350.21/x
  3. Step 3: Cross multiply
    483.22x = 666.52 × 350.21
  4. Step 4: Simplify right side
    483.22x = 233,421.97
  5. Step 5: Solve for x
    x = 233,421.97/483.22
  6. Step 6: Final answer
    x = 483.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.