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Finding the Fourth Proportional to 450.87, 675.89 and 233.79

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Solution

The fourth proportional to 450.87, 675.89 and 233.79 is: 350.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.87 : 675.89 = 233.79 : x
  2. Step 2: Convert to fraction form
    450.87/675.89 = 233.79/x
  3. Step 3: Cross multiply
    450.87x = 675.89 × 233.79
  4. Step 4: Simplify right side
    450.87x = 158,014.81
  5. Step 5: Solve for x
    x = 158,014.81/450.87
  6. Step 6: Final answer
    x = 350.47

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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.