Finding the Fourth Proportional to 125.28, 187.93 and 33.99
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Solution
The fourth proportional to 125.28, 187.93 and 33.99 is: 50.99
Step by Step Solution
- Step 1: Write the proportion equation
125.28 : 187.93 = 33.99 : x - Step 2: Convert to fraction form
125.28/187.93 = 33.99/x - Step 3: Cross multiply
125.28x = 187.93 × 33.99 - Step 4: Simplify right side
125.28x = 6,387.66 - Step 5: Solve for x
x = 6,387.66/125.28 - 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.