Finding the Fourth Proportional to 193.18, 266.61 and 110.26
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Solution
The fourth proportional to 193.18, 266.61 and 110.26 is: 152.17
Step by Step Solution
- Step 1: Write the proportion equation
193.18 : 266.61 = 110.26 : x - Step 2: Convert to fraction form
193.18/266.61 = 110.26/x - Step 3: Cross multiply
193.18x = 266.61 × 110.26 - Step 4: Simplify right side
193.18x = 29,396.42 - Step 5: Solve for x
x = 29,396.42/193.18 - Step 6: Final answer
x = 152.17
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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.