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Finding the Fourth Proportional to 611.41, 916.77 and 241.33

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Solution

The fourth proportional to 611.41, 916.77 and 241.33 is: 361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.41 : 916.77 = 241.33 : x
  2. Step 2: Convert to fraction form
    611.41/916.77 = 241.33/x
  3. Step 3: Cross multiply
    611.41x = 916.77 × 241.33
  4. Step 4: Simplify right side
    611.41x = 221,244.10
  5. Step 5: Solve for x
    x = 221,244.10/611.41
  6. Step 6: Final answer
    x = 361.86

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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.