Finding the Fourth Proportional to 60.96, 84.12 and 33.33
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Solution
The fourth proportional to 60.96, 84.12 and 33.33 is: 45.99
Step by Step Solution
- Step 1: Write the proportion equation
60.96 : 84.12 = 33.33 : x - Step 2: Convert to fraction form
60.96/84.12 = 33.33/x - Step 3: Cross multiply
60.96x = 84.12 × 33.33 - Step 4: Simplify right side
60.96x = 2,803.59 - Step 5: Solve for x
x = 2,803.59/60.96 - Step 6: Final answer
x = 45.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.