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Finding the Fourth Proportional to 611.98, 918.01 and 246.77

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Solution

The fourth proportional to 611.98, 918.01 and 246.77 is: 370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.98 : 918.01 = 246.77 : x
  2. Step 2: Convert to fraction form
    611.98/918.01 = 246.77/x
  3. Step 3: Cross multiply
    611.98x = 918.01 × 246.77
  4. Step 4: Simplify right side
    611.98x = 226,531.50
  5. Step 5: Solve for x
    x = 226,531.50/611.98
  6. Step 6: Final answer
    x = 370.16

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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.