Finding the Fourth Proportional to 358.08, 536.96 and 130.08
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Solution
The fourth proportional to 358.08, 536.96 and 130.08 is: 195.06
Step by Step Solution
- Step 1: Write the proportion equation
358.08 : 536.96 = 130.08 : x - Step 2: Convert to fraction form
358.08/536.96 = 130.08/x - Step 3: Cross multiply
358.08x = 536.96 × 130.08 - Step 4: Simplify right side
358.08x = 69,847.76 - Step 5: Solve for x
x = 69,847.76/358.08 - Step 6: Final answer
x = 195.06
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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.