Finding the Fourth Proportional to 40.55, 60.77 and 35.99
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Solution
The fourth proportional to 40.55, 60.77 and 35.99 is: 53.94
Step by Step Solution
- Step 1: Write the proportion equation
40.55 : 60.77 = 35.99 : x - Step 2: Convert to fraction form
40.55/60.77 = 35.99/x - Step 3: Cross multiply
40.55x = 60.77 × 35.99 - Step 4: Simplify right side
40.55x = 2,187.19 - Step 5: Solve for x
x = 2,187.19/40.55 - Step 6: Final answer
x = 53.94
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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.