Finding the Fourth Proportional to 335.19, 462.19 and 210.70
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Solution
The fourth proportional to 335.19, 462.19 and 210.70 is: 290.53
Step by Step Solution
- Step 1: Write the proportion equation
335.19 : 462.19 = 210.70 : x - Step 2: Convert to fraction form
335.19/462.19 = 210.70/x - Step 3: Cross multiply
335.19x = 462.19 × 210.70 - Step 4: Simplify right side
335.19x = 97,381.75 - Step 5: Solve for x
x = 97,381.75/335.19 - Step 6: Final answer
x = 290.53
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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.