Finding the Fourth Proportional to 96.90, 145.27 and 35.99
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Solution
The fourth proportional to 96.90, 145.27 and 35.99 is: 53.96
Step by Step Solution
- Step 1: Write the proportion equation
96.90 : 145.27 = 35.99 : x - Step 2: Convert to fraction form
96.90/145.27 = 35.99/x - Step 3: Cross multiply
96.90x = 145.27 × 35.99 - Step 4: Simplify right side
96.90x = 5,228.85 - Step 5: Solve for x
x = 5,228.85/96.90 - Step 6: Final answer
x = 53.96
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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.