Finding the Fourth Proportional to 358.11, 537.30 and 114.75
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Solution
The fourth proportional to 358.11, 537.30 and 114.75 is: 172.17
Step by Step Solution
- Step 1: Write the proportion equation
358.11 : 537.30 = 114.75 : x - Step 2: Convert to fraction form
358.11/537.30 = 114.75/x - Step 3: Cross multiply
358.11x = 537.30 × 114.75 - Step 4: Simplify right side
358.11x = 61,655.18 - Step 5: Solve for x
x = 61,655.18/358.11 - Step 6: Final answer
x = 172.17
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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.