Finding the Fourth Proportional to 358.93, 537.36 and 266.79
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Solution
The fourth proportional to 358.93, 537.36 and 266.79 is: 399.42
Step by Step Solution
- Step 1: Write the proportion equation
358.93 : 537.36 = 266.79 : x - Step 2: Convert to fraction form
358.93/537.36 = 266.79/x - Step 3: Cross multiply
358.93x = 537.36 × 266.79 - Step 4: Simplify right side
358.93x = 143,363.79 - Step 5: Solve for x
x = 143,363.79/358.93 - Step 6: Final answer
x = 399.42
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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.