Finding the Fourth Proportional to 146.30, 201.86 and 88.08
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Solution
The fourth proportional to 146.30, 201.86 and 88.08 is: 121.54
Step by Step Solution
- Step 1: Write the proportion equation
146.30 : 201.86 = 88.08 : x - Step 2: Convert to fraction form
146.30/201.86 = 88.08/x - Step 3: Cross multiply
146.30x = 201.86 × 88.08 - Step 4: Simplify right side
146.30x = 17,780.55 - Step 5: Solve for x
x = 17,780.55/146.30 - Step 6: Final answer
x = 121.54
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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.