Finding the Fourth Proportional to 365.94, 548.99 and 122.45
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Solution
The fourth proportional to 365.94, 548.99 and 122.45 is: 183.70
Step by Step Solution
- Step 1: Write the proportion equation
365.94 : 548.99 = 122.45 : x - Step 2: Convert to fraction form
365.94/548.99 = 122.45/x - Step 3: Cross multiply
365.94x = 548.99 × 122.45 - Step 4: Simplify right side
365.94x = 67,223.42 - Step 5: Solve for x
x = 67,223.42/365.94 - Step 6: Final answer
x = 183.70
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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.