Finding the Fourth Proportional to 612.36, 918.36 and 247.44
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Solution
The fourth proportional to 612.36, 918.36 and 247.44 is: 371.09
Step by Step Solution
- Step 1: Write the proportion equation
612.36 : 918.36 = 247.44 : x - Step 2: Convert to fraction form
612.36/918.36 = 247.44/x - Step 3: Cross multiply
612.36x = 918.36 × 247.44 - Step 4: Simplify right side
612.36x = 227,239.00 - Step 5: Solve for x
x = 227,239.00/612.36 - Step 6: Final answer
x = 371.09
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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.