Finding the Fourth Proportional to 214.08, 295.44 and 135.36
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Solution
The fourth proportional to 214.08, 295.44 and 135.36 is: 186.80
Step by Step Solution
- Step 1: Write the proportion equation
214.08 : 295.44 = 135.36 : x - Step 2: Convert to fraction form
214.08/295.44 = 135.36/x - Step 3: Cross multiply
214.08x = 295.44 × 135.36 - Step 4: Simplify right side
214.08x = 39,990.76 - Step 5: Solve for x
x = 39,990.76/214.08 - Step 6: Final answer
x = 186.80
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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.