Finding the Fourth Proportional to 242.99, 364.44 and 133.03
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Solution
The fourth proportional to 242.99, 364.44 and 133.03 is: 199.53
Step by Step Solution
- Step 1: Write the proportion equation
242.99 : 364.44 = 133.03 : x - Step 2: Convert to fraction form
242.99/364.44 = 133.03/x - Step 3: Cross multiply
242.99x = 364.44 × 133.03 - Step 4: Simplify right side
242.99x = 48,482.41 - Step 5: Solve for x
x = 48,482.41/242.99 - Step 6: Final answer
x = 199.53
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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.