Finding the Fourth Proportional to 133.71, 184.49 and 84.65
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Solution
The fourth proportional to 133.71, 184.49 and 84.65 is: 116.80
Step by Step Solution
- Step 1: Write the proportion equation
133.71 : 184.49 = 84.65 : x - Step 2: Convert to fraction form
133.71/184.49 = 84.65/x - Step 3: Cross multiply
133.71x = 184.49 × 84.65 - Step 4: Simplify right side
133.71x = 15,617.08 - Step 5: Solve for x
x = 15,617.08/133.71 - Step 6: Final answer
x = 116.80
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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.