Finding the Fourth Proportional to 133.21, 183.65 and 114.98
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Solution
The fourth proportional to 133.21, 183.65 and 114.98 is: 158.52
Step by Step Solution
- Step 1: Write the proportion equation
133.21 : 183.65 = 114.98 : x - Step 2: Convert to fraction form
133.21/183.65 = 114.98/x - Step 3: Cross multiply
133.21x = 183.65 × 114.98 - Step 4: Simplify right side
133.21x = 21,116.08 - Step 5: Solve for x
x = 21,116.08/133.21 - Step 6: Final answer
x = 158.52
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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.