Finding the Fourth Proportional to 272.70, 376.23 and 207.06
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Solution
The fourth proportional to 272.70, 376.23 and 207.06 is: 285.67
Step by Step Solution
- Step 1: Write the proportion equation
272.70 : 376.23 = 207.06 : x - Step 2: Convert to fraction form
272.70/376.23 = 207.06/x - Step 3: Cross multiply
272.70x = 376.23 × 207.06 - Step 4: Simplify right side
272.70x = 77,902.18 - Step 5: Solve for x
x = 77,902.18/272.70 - Step 6: Final answer
x = 285.67
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.