Finding the Fourth Proportional to 95.42, 143.14 and 23.28
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Solution
The fourth proportional to 95.42, 143.14 and 23.28 is: 34.92
Step by Step Solution
- Step 1: Write the proportion equation
95.42 : 143.14 = 23.28 : x - Step 2: Convert to fraction form
95.42/143.14 = 23.28/x - Step 3: Cross multiply
95.42x = 143.14 × 23.28 - Step 4: Simplify right side
95.42x = 3,332.18 - Step 5: Solve for x
x = 3,332.18/95.42 - Step 6: Final answer
x = 34.92
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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.