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Finding the Fourth Proportional to 433.86, 650.73 and 174.02

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Solution

The fourth proportional to 433.86, 650.73 and 174.02 is: 261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.86 : 650.73 = 174.02 : x
  2. Step 2: Convert to fraction form
    433.86/650.73 = 174.02/x
  3. Step 3: Cross multiply
    433.86x = 650.73 × 174.02
  4. Step 4: Simplify right side
    433.86x = 113,237.43
  5. Step 5: Solve for x
    x = 113,237.43/433.86
  6. Step 6: Final answer
    x = 261.00

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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.