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Finding the Fourth Proportional to 433.50, 596.31 and 415.74

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Solution

The fourth proportional to 433.50, 596.31 and 415.74 is: 571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.50 : 596.31 = 415.74 : x
  2. Step 2: Convert to fraction form
    433.50/596.31 = 415.74/x
  3. Step 3: Cross multiply
    433.50x = 596.31 × 415.74
  4. Step 4: Simplify right side
    433.50x = 247,909.92
  5. Step 5: Solve for x
    x = 247,909.92/433.50
  6. Step 6: Final answer
    x = 571.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.