Finding the Fourth Proportional to 133.18, 183.87 and 108.68
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Solution
The fourth proportional to 133.18, 183.87 and 108.68 is: 150.04
Step by Step Solution
- Step 1: Write the proportion equation
133.18 : 183.87 = 108.68 : x - Step 2: Convert to fraction form
133.18/183.87 = 108.68/x - Step 3: Cross multiply
133.18x = 183.87 × 108.68 - Step 4: Simplify right side
133.18x = 19,982.07 - Step 5: Solve for x
x = 19,982.07/133.18 - Step 6: Final answer
x = 150.04
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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.