Finding the Fourth Proportional to 133.17, 183.80 and 93.95
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Solution
The fourth proportional to 133.17, 183.80 and 93.95 is: 129.67
Step by Step Solution
- Step 1: Write the proportion equation
133.17 : 183.80 = 93.95 : x - Step 2: Convert to fraction form
133.17/183.80 = 93.95/x - Step 3: Cross multiply
133.17x = 183.80 × 93.95 - Step 4: Simplify right side
133.17x = 17,268.01 - Step 5: Solve for x
x = 17,268.01/133.17 - Step 6: Final answer
x = 129.67
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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.