Finding the Fourth Proportional to 357.19, 493.08 and 252.36
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Solution
The fourth proportional to 357.19, 493.08 and 252.36 is: 348.37
Step by Step Solution
- Step 1: Write the proportion equation
357.19 : 493.08 = 252.36 : x - Step 2: Convert to fraction form
357.19/493.08 = 252.36/x - Step 3: Cross multiply
357.19x = 493.08 × 252.36 - Step 4: Simplify right side
357.19x = 124,433.67 - Step 5: Solve for x
x = 124,433.67/357.19 - Step 6: Final answer
x = 348.37
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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.