Finding the Fourth Proportional to 239.44, 359.08 and 93.18
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Solution
The fourth proportional to 239.44, 359.08 and 93.18 is: 139.74
Step by Step Solution
- Step 1: Write the proportion equation
239.44 : 359.08 = 93.18 : x - Step 2: Convert to fraction form
239.44/359.08 = 93.18/x - Step 3: Cross multiply
239.44x = 359.08 × 93.18 - Step 4: Simplify right side
239.44x = 33,459.07 - Step 5: Solve for x
x = 33,459.07/239.44 - Step 6: Final answer
x = 139.74
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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.