Finding the Fourth Proportional to 132.99, 183.44 and 88.73
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Solution
The fourth proportional to 132.99, 183.44 and 88.73 is: 122.39
Step by Step Solution
- Step 1: Write the proportion equation
132.99 : 183.44 = 88.73 : x - Step 2: Convert to fraction form
132.99/183.44 = 88.73/x - Step 3: Cross multiply
132.99x = 183.44 × 88.73 - Step 4: Simplify right side
132.99x = 16,276.63 - Step 5: Solve for x
x = 16,276.63/132.99 - Step 6: Final answer
x = 122.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.