Finding the Fourth Proportional to 324.19, 485.80 and 202.08
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Solution
The fourth proportional to 324.19, 485.80 and 202.08 is: 302.82
Step by Step Solution
- Step 1: Write the proportion equation
324.19 : 485.80 = 202.08 : x - Step 2: Convert to fraction form
324.19/485.80 = 202.08/x - Step 3: Cross multiply
324.19x = 485.80 × 202.08 - Step 4: Simplify right side
324.19x = 98,170.46 - Step 5: Solve for x
x = 98,170.46/324.19 - Step 6: Final answer
x = 302.82
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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.