Finding the Fourth Proportional to 214.55, 295.99 and 131.63
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Solution
The fourth proportional to 214.55, 295.99 and 131.63 is: 181.59
Step by Step Solution
- Step 1: Write the proportion equation
214.55 : 295.99 = 131.63 : x - Step 2: Convert to fraction form
214.55/295.99 = 131.63/x - Step 3: Cross multiply
214.55x = 295.99 × 131.63 - Step 4: Simplify right side
214.55x = 38,959.68 - Step 5: Solve for x
x = 38,959.68/214.55 - Step 6: Final answer
x = 181.59
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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.