Finding the Fourth Proportional to 360.79, 497.93 and 220.99
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Solution
The fourth proportional to 360.79, 497.93 and 220.99 is: 304.99
Step by Step Solution
- Step 1: Write the proportion equation
360.79 : 497.93 = 220.99 : x - Step 2: Convert to fraction form
360.79/497.93 = 220.99/x - Step 3: Cross multiply
360.79x = 497.93 × 220.99 - Step 4: Simplify right side
360.79x = 110,037.55 - Step 5: Solve for x
x = 110,037.55/360.79 - Step 6: Final answer
x = 304.99
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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.