Finding the Fourth Proportional to 358.16, 537.08 and 130
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Solution
The fourth proportional to 358.16, 537.08 and 130 is: 194.94
Step by Step Solution
- Step 1: Write the proportion equation
358.16 : 537.08 = 130 : x - Step 2: Convert to fraction form
358.16/537.08 = 130/x - Step 3: Cross multiply
358.16x = 537.08 × 130 - Step 4: Simplify right side
358.16x = 69,820.40 - Step 5: Solve for x
x = 69,820.40/358.16 - Step 6: Final answer
x = 194.94
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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.