Finding the Fourth Proportional to 145.76, 201.16 and 94.08
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Solution
The fourth proportional to 145.76, 201.16 and 94.08 is: 129.84
Step by Step Solution
- Step 1: Write the proportion equation
145.76 : 201.16 = 94.08 : x - Step 2: Convert to fraction form
145.76/201.16 = 94.08/x - Step 3: Cross multiply
145.76x = 201.16 × 94.08 - Step 4: Simplify right side
145.76x = 18,925.13 - Step 5: Solve for x
x = 18,925.13/145.76 - Step 6: Final answer
x = 129.84
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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.