Finding the Fourth Proportional to 135.53, 203.08 and 94.98
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Solution
The fourth proportional to 135.53, 203.08 and 94.98 is: 142.32
Step by Step Solution
- Step 1: Write the proportion equation
135.53 : 203.08 = 94.98 : x - Step 2: Convert to fraction form
135.53/203.08 = 94.98/x - Step 3: Cross multiply
135.53x = 203.08 × 94.98 - Step 4: Simplify right side
135.53x = 19,288.54 - Step 5: Solve for x
x = 19,288.54/135.53 - Step 6: Final answer
x = 142.32
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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.