Finding the Fourth Proportional to 146.07, 219.12 and 68.99
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Solution
The fourth proportional to 146.07, 219.12 and 68.99 is: 103.48
Step by Step Solution
- Step 1: Write the proportion equation
146.07 : 219.12 = 68.99 : x - Step 2: Convert to fraction form
146.07/219.12 = 68.99/x - Step 3: Cross multiply
146.07x = 219.12 × 68.99 - Step 4: Simplify right side
146.07x = 15,115.99 - Step 5: Solve for x
x = 15,115.99/146.07 - Step 6: Final answer
x = 103.48
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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.