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Finding the Fourth Proportional to 611.27, 916.91 and 246.03

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Solution

The fourth proportional to 611.27, 916.91 and 246.03 is: 369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.27 : 916.91 = 246.03 : x
  2. Step 2: Convert to fraction form
    611.27/916.91 = 246.03/x
  3. Step 3: Cross multiply
    611.27x = 916.91 × 246.03
  4. Step 4: Simplify right side
    611.27x = 225,587.37
  5. Step 5: Solve for x
    x = 225,587.37/611.27
  6. Step 6: Final answer
    x = 369.05

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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.