Finding the Fourth Proportional to 175.42, 263.40 and 136.99
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Solution
The fourth proportional to 175.42, 263.40 and 136.99 is: 205.70
Step by Step Solution
- Step 1: Write the proportion equation
175.42 : 263.40 = 136.99 : x - Step 2: Convert to fraction form
175.42/263.40 = 136.99/x - Step 3: Cross multiply
175.42x = 263.40 × 136.99 - Step 4: Simplify right side
175.42x = 36,083.75 - Step 5: Solve for x
x = 36,083.75/175.42 - Step 6: Final answer
x = 205.70
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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.