Finding the Fourth Proportional to 358.08, 537.01 and 138.68
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Solution
The fourth proportional to 358.08, 537.01 and 138.68 is: 207.99
Step by Step Solution
- Step 1: Write the proportion equation
358.08 : 537.01 = 138.68 : x - Step 2: Convert to fraction form
358.08/537.01 = 138.68/x - Step 3: Cross multiply
358.08x = 537.01 × 138.68 - Step 4: Simplify right side
358.08x = 74,474.55 - Step 5: Solve for x
x = 74,474.55/358.08 - Step 6: Final answer
x = 207.99
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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.