Finding the Fourth Proportional to 207.84, 286.48 and 174.63
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Solution
The fourth proportional to 207.84, 286.48 and 174.63 is: 240.70
Step by Step Solution
- Step 1: Write the proportion equation
207.84 : 286.48 = 174.63 : x - Step 2: Convert to fraction form
207.84/286.48 = 174.63/x - Step 3: Cross multiply
207.84x = 286.48 × 174.63 - Step 4: Simplify right side
207.84x = 50,028.00 - Step 5: Solve for x
x = 50,028.00/207.84 - Step 6: Final answer
x = 240.70
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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.