Finding the Fourth Proportional to 92.55, 138.84 and 33.99
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Solution
The fourth proportional to 92.55, 138.84 and 33.99 is: 50.99
Step by Step Solution
- Step 1: Write the proportion equation
92.55 : 138.84 = 33.99 : x - Step 2: Convert to fraction form
92.55/138.84 = 33.99/x - Step 3: Cross multiply
92.55x = 138.84 × 33.99 - Step 4: Simplify right side
92.55x = 4,718.59 - Step 5: Solve for x
x = 4,718.59/92.55 - Step 6: Final answer
x = 50.99
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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.