Finding the Fourth Proportional to 272.97, 408.65 and 228.02
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Solution
The fourth proportional to 272.97, 408.65 and 228.02 is: 341.35
Step by Step Solution
- Step 1: Write the proportion equation
272.97 : 408.65 = 228.02 : x - Step 2: Convert to fraction form
272.97/408.65 = 228.02/x - Step 3: Cross multiply
272.97x = 408.65 × 228.02 - Step 4: Simplify right side
272.97x = 93,177.19 - Step 5: Solve for x
x = 93,177.19/272.97 - Step 6: Final answer
x = 341.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.