Finding the Fourth Proportional to 184.14, 254.21 and 135.14
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Solution
The fourth proportional to 184.14, 254.21 and 135.14 is: 186.55
Step by Step Solution
- Step 1: Write the proportion equation
184.14 : 254.21 = 135.14 : x - Step 2: Convert to fraction form
184.14/254.21 = 135.14/x - Step 3: Cross multiply
184.14x = 254.21 × 135.14 - Step 4: Simplify right side
184.14x = 34,351.99 - Step 5: Solve for x
x = 34,351.99/184.14 - Step 6: Final answer
x = 186.55
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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.