Finding the Fourth Proportional to 193.44, 266.94 and 110.55
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Solution
The fourth proportional to 193.44, 266.94 and 110.55 is: 152.55
Step by Step Solution
- Step 1: Write the proportion equation
193.44 : 266.94 = 110.55 : x - Step 2: Convert to fraction form
193.44/266.94 = 110.55/x - Step 3: Cross multiply
193.44x = 266.94 × 110.55 - Step 4: Simplify right side
193.44x = 29,509.22 - Step 5: Solve for x
x = 29,509.22/193.44 - Step 6: Final answer
x = 152.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.