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Finding the Fourth Proportional to 655.72, 983.48 and 244.84

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Solution

The fourth proportional to 655.72, 983.48 and 244.84 is: 367.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.72 : 983.48 = 244.84 : x
  2. Step 2: Convert to fraction form
    655.72/983.48 = 244.84/x
  3. Step 3: Cross multiply
    655.72x = 983.48 × 244.84
  4. Step 4: Simplify right side
    655.72x = 240,795.24
  5. Step 5: Solve for x
    x = 240,795.24/655.72
  6. Step 6: Final answer
    x = 367.22

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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.