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Finding the Fourth Proportional to 433.57, 650.36 and 159.66

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Solution

The fourth proportional to 433.57, 650.36 and 159.66 is: 239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.57 : 650.36 = 159.66 : x
  2. Step 2: Convert to fraction form
    433.57/650.36 = 159.66/x
  3. Step 3: Cross multiply
    433.57x = 650.36 × 159.66
  4. Step 4: Simplify right side
    433.57x = 103,836.48
  5. Step 5: Solve for x
    x = 103,836.48/433.57
  6. Step 6: Final answer
    x = 239.49

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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.