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Finding the Fourth Proportional to 450.94, 675.98 and 234.30

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Solution

The fourth proportional to 450.94, 675.98 and 234.30 is: 351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.94 : 675.98 = 234.30 : x
  2. Step 2: Convert to fraction form
    450.94/675.98 = 234.30/x
  3. Step 3: Cross multiply
    450.94x = 675.98 × 234.30
  4. Step 4: Simplify right side
    450.94x = 158,382.11
  5. Step 5: Solve for x
    x = 158,382.11/450.94
  6. Step 6: Final answer
    x = 351.23

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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.