Finding the Fourth Proportional to 243.21, 364.26 and 177.99
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Solution
The fourth proportional to 243.21, 364.26 and 177.99 is: 266.58
Step by Step Solution
- Step 1: Write the proportion equation
243.21 : 364.26 = 177.99 : x - Step 2: Convert to fraction form
243.21/364.26 = 177.99/x - Step 3: Cross multiply
243.21x = 364.26 × 177.99 - Step 4: Simplify right side
243.21x = 64,834.64 - Step 5: Solve for x
x = 64,834.64/243.21 - Step 6: Final answer
x = 266.58
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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.