Finding the Fourth Proportional to 135.81, 203.99 and 133.79
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Solution
The fourth proportional to 135.81, 203.99 and 133.79 is: 200.94
Step by Step Solution
- Step 1: Write the proportion equation
135.81 : 203.99 = 133.79 : x - Step 2: Convert to fraction form
135.81/203.99 = 133.79/x - Step 3: Cross multiply
135.81x = 203.99 × 133.79 - Step 4: Simplify right side
135.81x = 27,290.13 - Step 5: Solve for x
x = 27,290.13/135.81 - Step 6: Final answer
x = 200.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.