Finding the Fourth Proportional to 358.23, 537.36 and 114.74
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Solution
The fourth proportional to 358.23, 537.36 and 114.74 is: 172.11
Step by Step Solution
- Step 1: Write the proportion equation
358.23 : 537.36 = 114.74 : x - Step 2: Convert to fraction form
358.23/537.36 = 114.74/x - Step 3: Cross multiply
358.23x = 537.36 × 114.74 - Step 4: Simplify right side
358.23x = 61,654.00 - Step 5: Solve for x
x = 61,654.00/358.23 - Step 6: Final answer
x = 172.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.