Finding the Fourth Proportional to 365.55, 548.37 and 121.99
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Solution
The fourth proportional to 365.55, 548.37 and 121.99 is: 183.00
Step by Step Solution
- Step 1: Write the proportion equation
365.55 : 548.37 = 121.99 : x - Step 2: Convert to fraction form
365.55/548.37 = 121.99/x - Step 3: Cross multiply
365.55x = 548.37 × 121.99 - Step 4: Simplify right side
365.55x = 66,895.66 - Step 5: Solve for x
x = 66,895.66/365.55 - Step 6: Final answer
x = 183.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.