Finding the Fourth Proportional to 365.95, 548.99 and 122.44
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Solution
The fourth proportional to 365.95, 548.99 and 122.44 is: 183.68
Step by Step Solution
- Step 1: Write the proportion equation
365.95 : 548.99 = 122.44 : x - Step 2: Convert to fraction form
365.95/548.99 = 122.44/x - Step 3: Cross multiply
365.95x = 548.99 × 122.44 - Step 4: Simplify right side
365.95x = 67,218.34 - Step 5: Solve for x
x = 67,218.34/365.95 - Step 6: Final answer
x = 183.68
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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.