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Finding the Fourth Proportional to 514.93, 772.45 and 222.44

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Solution

The fourth proportional to 514.93, 772.45 and 222.44 is: 333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    514.93 : 772.45 = 222.44 : x
  2. Step 2: Convert to fraction form
    514.93/772.45 = 222.44/x
  3. Step 3: Cross multiply
    514.93x = 772.45 × 222.44
  4. Step 4: Simplify right side
    514.93x = 171,822.77
  5. Step 5: Solve for x
    x = 171,822.77/514.93
  6. Step 6: Final answer
    x = 333.68

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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.