Finding the Fourth Proportional to 358.70, 537.99 and 115.19
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Solution
The fourth proportional to 358.70, 537.99 and 115.19 is: 172.77
Step by Step Solution
- Step 1: Write the proportion equation
358.70 : 537.99 = 115.19 : x - Step 2: Convert to fraction form
358.70/537.99 = 115.19/x - Step 3: Cross multiply
358.70x = 537.99 × 115.19 - Step 4: Simplify right side
358.70x = 61,970.54 - Step 5: Solve for x
x = 61,970.54/358.70 - Step 6: Final answer
x = 172.77
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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.