Finding the Fourth Proportional to 160.63, 240.71 and 73.99
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Solution
The fourth proportional to 160.63, 240.71 and 73.99 is: 110.88
Step by Step Solution
- Step 1: Write the proportion equation
160.63 : 240.71 = 73.99 : x - Step 2: Convert to fraction form
160.63/240.71 = 73.99/x - Step 3: Cross multiply
160.63x = 240.71 × 73.99 - Step 4: Simplify right side
160.63x = 17,809.72 - Step 5: Solve for x
x = 17,809.72/160.63 - Step 6: Final answer
x = 110.88
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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.