Finding the Fourth Proportional to 135.76, 203.35 and 94.99
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Solution
The fourth proportional to 135.76, 203.35 and 94.99 is: 142.28
Step by Step Solution
- Step 1: Write the proportion equation
135.76 : 203.35 = 94.99 : x - Step 2: Convert to fraction form
135.76/203.35 = 94.99/x - Step 3: Cross multiply
135.76x = 203.35 × 94.99 - Step 4: Simplify right side
135.76x = 19,316.22 - Step 5: Solve for x
x = 19,316.22/135.76 - Step 6: Final answer
x = 142.28
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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.