Finding the Fourth Proportional to 190.36, 285.95 and 132.99
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Solution
The fourth proportional to 190.36, 285.95 and 132.99 is: 199.77
Step by Step Solution
- Step 1: Write the proportion equation
190.36 : 285.95 = 132.99 : x - Step 2: Convert to fraction form
190.36/285.95 = 132.99/x - Step 3: Cross multiply
190.36x = 285.95 × 132.99 - Step 4: Simplify right side
190.36x = 38,028.49 - Step 5: Solve for x
x = 38,028.49/190.36 - Step 6: Final answer
x = 199.77
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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.