Finding the Fourth Proportional to 133.00, 199.11 and 98.91
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Solution
The fourth proportional to 133.00, 199.11 and 98.91 is: 148.08
Step by Step Solution
- Step 1: Write the proportion equation
133.00 : 199.11 = 98.91 : x - Step 2: Convert to fraction form
133.00/199.11 = 98.91/x - Step 3: Cross multiply
133.00x = 199.11 × 98.91 - Step 4: Simplify right side
133.00x = 19,695.09 - Step 5: Solve for x
x = 19,695.09/133.00 - Step 6: Final answer
x = 148.08
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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.