Finding the Fourth Proportional to 153.99, 230.82 and 135.99
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Solution
The fourth proportional to 153.99, 230.82 and 135.99 is: 203.84
Step by Step Solution
- Step 1: Write the proportion equation
153.99 : 230.82 = 135.99 : x - Step 2: Convert to fraction form
153.99/230.82 = 135.99/x - Step 3: Cross multiply
153.99x = 230.82 × 135.99 - Step 4: Simplify right side
153.99x = 31,389.21 - Step 5: Solve for x
x = 31,389.21/153.99 - Step 6: Final answer
x = 203.84
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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.