Finding the Fourth Proportional to 146.52, 219.86 and 61.08
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Solution
The fourth proportional to 146.52, 219.86 and 61.08 is: 91.65
Step by Step Solution
- Step 1: Write the proportion equation
146.52 : 219.86 = 61.08 : x - Step 2: Convert to fraction form
146.52/219.86 = 61.08/x - Step 3: Cross multiply
146.52x = 219.86 × 61.08 - Step 4: Simplify right side
146.52x = 13,429.05 - Step 5: Solve for x
x = 13,429.05/146.52 - Step 6: Final answer
x = 91.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.