Finding the Fourth Proportional to 133.93, 201.17 and 93.43
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Solution
The fourth proportional to 133.93, 201.17 and 93.43 is: 140.34
Step by Step Solution
- Step 1: Write the proportion equation
133.93 : 201.17 = 93.43 : x - Step 2: Convert to fraction form
133.93/201.17 = 93.43/x - Step 3: Cross multiply
133.93x = 201.17 × 93.43 - Step 4: Simplify right side
133.93x = 18,795.31 - Step 5: Solve for x
x = 18,795.31/133.93 - Step 6: Final answer
x = 140.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.