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Finding the Fourth Proportional to 655.51, 983.23 and 244.61

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Solution

The fourth proportional to 655.51, 983.23 and 244.61 is: 366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.51 : 983.23 = 244.61 : x
  2. Step 2: Convert to fraction form
    655.51/983.23 = 244.61/x
  3. Step 3: Cross multiply
    655.51x = 983.23 × 244.61
  4. Step 4: Simplify right side
    655.51x = 240,507.43
  5. Step 5: Solve for x
    x = 240,507.43/655.51
  6. Step 6: Final answer
    x = 366.90

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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.