Finding the Fourth Proportional to 133.06, 183.66 and 93.91
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Solution
The fourth proportional to 133.06, 183.66 and 93.91 is: 129.62
Step by Step Solution
- Step 1: Write the proportion equation
133.06 : 183.66 = 93.91 : x - Step 2: Convert to fraction form
133.06/183.66 = 93.91/x - Step 3: Cross multiply
133.06x = 183.66 × 93.91 - Step 4: Simplify right side
133.06x = 17,247.04 - Step 5: Solve for x
x = 17,247.04/133.06 - Step 6: Final answer
x = 129.62
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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.