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Finding the Fourth Proportional to 433.37, 650.16 and 125.24

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Solution

The fourth proportional to 433.37, 650.16 and 125.24 is: 187.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.37 : 650.16 = 125.24 : x
  2. Step 2: Convert to fraction form
    433.37/650.16 = 125.24/x
  3. Step 3: Cross multiply
    433.37x = 650.16 × 125.24
  4. Step 4: Simplify right side
    433.37x = 81,425.41
  5. Step 5: Solve for x
    x = 81,425.41/433.37
  6. Step 6: Final answer
    x = 187.89

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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.