Finding the Fourth Proportional to 177.63, 265.96 and 136.99
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Solution
The fourth proportional to 177.63, 265.96 and 136.99 is: 205.11
Step by Step Solution
- Step 1: Write the proportion equation
177.63 : 265.96 = 136.99 : x - Step 2: Convert to fraction form
177.63/265.96 = 136.99/x - Step 3: Cross multiply
177.63x = 265.96 × 136.99 - Step 4: Simplify right side
177.63x = 36,433.86 - Step 5: Solve for x
x = 36,433.86/177.63 - Step 6: Final answer
x = 205.11
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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.