Finding the Fourth Proportional to 358.08, 536.99 and 243.16
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Solution
The fourth proportional to 358.08, 536.99 and 243.16 is: 364.65
Step by Step Solution
- Step 1: Write the proportion equation
358.08 : 536.99 = 243.16 : x - Step 2: Convert to fraction form
358.08/536.99 = 243.16/x - Step 3: Cross multiply
358.08x = 536.99 × 243.16 - Step 4: Simplify right side
358.08x = 130,574.49 - Step 5: Solve for x
x = 130,574.49/358.08 - Step 6: Final answer
x = 364.65
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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.