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Finding the Fourth Proportional to 433.84, 650.04 and 202.36

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Solution

The fourth proportional to 433.84, 650.04 and 202.36 is: 303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.84 : 650.04 = 202.36 : x
  2. Step 2: Convert to fraction form
    433.84/650.04 = 202.36/x
  3. Step 3: Cross multiply
    433.84x = 650.04 × 202.36
  4. Step 4: Simplify right side
    433.84x = 131,542.09
  5. Step 5: Solve for x
    x = 131,542.09/433.84
  6. Step 6: Final answer
    x = 303.20

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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.