Finding the Fourth Proportional to 133.91, 201.17 and 93.21
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Solution
The fourth proportional to 133.91, 201.17 and 93.21 is: 140.03
Step by Step Solution
- Step 1: Write the proportion equation
133.91 : 201.17 = 93.21 : x - Step 2: Convert to fraction form
133.91/201.17 = 93.21/x - Step 3: Cross multiply
133.91x = 201.17 × 93.21 - Step 4: Simplify right side
133.91x = 18,751.06 - Step 5: Solve for x
x = 18,751.06/133.91 - Step 6: Final answer
x = 140.03
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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.