Finding the Fourth Proportional to 382.14, 527.36 and 207.48
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Solution
The fourth proportional to 382.14, 527.36 and 207.48 is: 286.32
Step by Step Solution
- Step 1: Write the proportion equation
382.14 : 527.36 = 207.48 : x - Step 2: Convert to fraction form
382.14/527.36 = 207.48/x - Step 3: Cross multiply
382.14x = 527.36 × 207.48 - Step 4: Simplify right side
382.14x = 109,415.62 - Step 5: Solve for x
x = 109,415.62/382.14 - Step 6: Final answer
x = 286.32
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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.