Finding the Fourth Proportional to 357.50, 493.36 and 202.26
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Solution
The fourth proportional to 357.50, 493.36 and 202.26 is: 279.12
Step by Step Solution
- Step 1: Write the proportion equation
357.50 : 493.36 = 202.26 : x - Step 2: Convert to fraction form
357.50/493.36 = 202.26/x - Step 3: Cross multiply
357.50x = 493.36 × 202.26 - Step 4: Simplify right side
357.50x = 99,786.99 - Step 5: Solve for x
x = 99,786.99/357.50 - Step 6: Final answer
x = 279.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.