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Finding the Fourth Proportional to 655.71, 983.56 and 233.87

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Solution

The fourth proportional to 655.71, 983.56 and 233.87 is: 350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.71 : 983.56 = 233.87 : x
  2. Step 2: Convert to fraction form
    655.71/983.56 = 233.87/x
  3. Step 3: Cross multiply
    655.71x = 983.56 × 233.87
  4. Step 4: Simplify right side
    655.71x = 230,019.09
  5. Step 5: Solve for x
    x = 230,019.09/655.71
  6. Step 6: Final answer
    x = 350.80

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Similar ratio
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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.