Finding the Fourth Proportional to 358.78, 537.36 and 236.88
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Solution
The fourth proportional to 358.78, 537.36 and 236.88 is: 354.79
Step by Step Solution
- Step 1: Write the proportion equation
358.78 : 537.36 = 236.88 : x - Step 2: Convert to fraction form
358.78/537.36 = 236.88/x - Step 3: Cross multiply
358.78x = 537.36 × 236.88 - Step 4: Simplify right side
358.78x = 127,289.84 - Step 5: Solve for x
x = 127,289.84/358.78 - Step 6: Final answer
x = 354.79
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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.