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Finding the Fourth Proportional to 450.93, 675.84 and 255.84

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Solution

The fourth proportional to 450.93, 675.84 and 255.84 is: 383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.93 : 675.84 = 255.84 : x
  2. Step 2: Convert to fraction form
    450.93/675.84 = 255.84/x
  3. Step 3: Cross multiply
    450.93x = 675.84 × 255.84
  4. Step 4: Simplify right side
    450.93x = 172,906.91
  5. Step 5: Solve for x
    x = 172,906.91/450.93
  6. Step 6: Final answer
    x = 383.45

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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.