Finding the Fourth Proportional to 145.68, 201 and 93.18
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Solution
The fourth proportional to 145.68, 201 and 93.18 is: 128.56
Step by Step Solution
- Step 1: Write the proportion equation
145.68 : 201 = 93.18 : x - Step 2: Convert to fraction form
145.68/201 = 93.18/x - Step 3: Cross multiply
145.68x = 201 × 93.18 - Step 4: Simplify right side
145.68x = 18,729.18 - Step 5: Solve for x
x = 18,729.18/145.68 - Step 6: Final answer
x = 128.56
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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.