Finding the Fourth Proportional to 358.08, 537 and 126.88
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Solution
The fourth proportional to 358.08, 537 and 126.88 is: 190.28
Step by Step Solution
- Step 1: Write the proportion equation
358.08 : 537 = 126.88 : x - Step 2: Convert to fraction form
358.08/537 = 126.88/x - Step 3: Cross multiply
358.08x = 537 × 126.88 - Step 4: Simplify right side
358.08x = 68,134.56 - Step 5: Solve for x
x = 68,134.56/358.08 - Step 6: Final answer
x = 190.28
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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.