Finding the Fourth Proportional to 349.99, 524.97 and 187.99
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Solution
The fourth proportional to 349.99, 524.97 and 187.99 is: 281.98
Step by Step Solution
- Step 1: Write the proportion equation
349.99 : 524.97 = 187.99 : x - Step 2: Convert to fraction form
349.99/524.97 = 187.99/x - Step 3: Cross multiply
349.99x = 524.97 × 187.99 - Step 4: Simplify right side
349.99x = 98,689.11 - Step 5: Solve for x
x = 98,689.11/349.99 - Step 6: Final answer
x = 281.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.