Finding the Fourth Proportional to 193.44, 289.77 and 152.67
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Solution
The fourth proportional to 193.44, 289.77 and 152.67 is: 228.70
Step by Step Solution
- Step 1: Write the proportion equation
193.44 : 289.77 = 152.67 : x - Step 2: Convert to fraction form
193.44/289.77 = 152.67/x - Step 3: Cross multiply
193.44x = 289.77 × 152.67 - Step 4: Simplify right side
193.44x = 44,239.19 - Step 5: Solve for x
x = 44,239.19/193.44 - Step 6: Final answer
x = 228.70
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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.