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Finding the Fourth Proportional to 333.22, 500.18 and 160.03

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Solution

The fourth proportional to 333.22, 500.18 and 160.03 is: 240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.22 : 500.18 = 160.03 : x
  2. Step 2: Convert to fraction form
    333.22/500.18 = 160.03/x
  3. Step 3: Cross multiply
    333.22x = 500.18 × 160.03
  4. Step 4: Simplify right side
    333.22x = 80,043.81
  5. Step 5: Solve for x
    x = 80,043.81/333.22
  6. Step 6: Final answer
    x = 240.21

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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.