Finding the Fourth Proportional to 96.93, 145.21 and 93.75
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Solution
The fourth proportional to 96.93, 145.21 and 93.75 is: 140.45
Step by Step Solution
- Step 1: Write the proportion equation
96.93 : 145.21 = 93.75 : x - Step 2: Convert to fraction form
96.93/145.21 = 93.75/x - Step 3: Cross multiply
96.93x = 145.21 × 93.75 - Step 4: Simplify right side
96.93x = 13,613.44 - Step 5: Solve for x
x = 13,613.44/96.93 - Step 6: Final answer
x = 140.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.