Finding the Fourth Proportional to 96.44, 133.02 and 74.68
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Solution
The fourth proportional to 96.44, 133.02 and 74.68 is: 103.01
Step by Step Solution
- Step 1: Write the proportion equation
96.44 : 133.02 = 74.68 : x - Step 2: Convert to fraction form
96.44/133.02 = 74.68/x - Step 3: Cross multiply
96.44x = 133.02 × 74.68 - Step 4: Simplify right side
96.44x = 9,933.93 - Step 5: Solve for x
x = 9,933.93/96.44 - Step 6: Final answer
x = 103.01
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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.