Finding the Fourth Proportional to 135.76, 203.36 and 94.98
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Solution
The fourth proportional to 135.76, 203.36 and 94.98 is: 142.27
Step by Step Solution
- Step 1: Write the proportion equation
135.76 : 203.36 = 94.98 : x - Step 2: Convert to fraction form
135.76/203.36 = 94.98/x - Step 3: Cross multiply
135.76x = 203.36 × 94.98 - Step 4: Simplify right side
135.76x = 19,315.13 - Step 5: Solve for x
x = 19,315.13/135.76 - Step 6: Final answer
x = 142.27
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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.