Finding the Fourth Proportional to 612.06, 918 and 201.18
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Solution
The fourth proportional to 612.06, 918 and 201.18 is: 301.74
Step by Step Solution
- Step 1: Write the proportion equation
612.06 : 918 = 201.18 : x - Step 2: Convert to fraction form
612.06/918 = 201.18/x - Step 3: Cross multiply
612.06x = 918 × 201.18 - Step 4: Simplify right side
612.06x = 184,683.24 - Step 5: Solve for x
x = 184,683.24/612.06 - Step 6: Final answer
x = 301.74
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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.