Finding the Fourth Proportional to 96.41, 132.64 and 93.68
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Solution
The fourth proportional to 96.41, 132.64 and 93.68 is: 128.88
Step by Step Solution
- Step 1: Write the proportion equation
96.41 : 132.64 = 93.68 : x - Step 2: Convert to fraction form
96.41/132.64 = 93.68/x - Step 3: Cross multiply
96.41x = 132.64 × 93.68 - Step 4: Simplify right side
96.41x = 12,425.05 - Step 5: Solve for x
x = 12,425.05/96.41 - Step 6: Final answer
x = 128.88
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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.