Finding the Fourth Proportional to 205.08, 307.44 and 122.99
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Solution
The fourth proportional to 205.08, 307.44 and 122.99 is: 184.37
Step by Step Solution
- Step 1: Write the proportion equation
205.08 : 307.44 = 122.99 : x - Step 2: Convert to fraction form
205.08/307.44 = 122.99/x - Step 3: Cross multiply
205.08x = 307.44 × 122.99 - Step 4: Simplify right side
205.08x = 37,810.51 - Step 5: Solve for x
x = 37,810.51/205.08 - Step 6: Final answer
x = 184.37
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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.