Finding the Fourth Proportional to 193.21, 266.62 and 110.31
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Solution
The fourth proportional to 193.21, 266.62 and 110.31 is: 152.23
Step by Step Solution
- Step 1: Write the proportion equation
193.21 : 266.62 = 110.31 : x - Step 2: Convert to fraction form
193.21/266.62 = 110.31/x - Step 3: Cross multiply
193.21x = 266.62 × 110.31 - Step 4: Simplify right side
193.21x = 29,411.99 - Step 5: Solve for x
x = 29,411.99/193.21 - Step 6: Final answer
x = 152.23
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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.