Finding the Fourth Proportional to 335.50, 463.08 and 211.08
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Solution
The fourth proportional to 335.50, 463.08 and 211.08 is: 291.35
Step by Step Solution
- Step 1: Write the proportion equation
335.50 : 463.08 = 211.08 : x - Step 2: Convert to fraction form
335.50/463.08 = 211.08/x - Step 3: Cross multiply
335.50x = 463.08 × 211.08 - Step 4: Simplify right side
335.50x = 97,746.93 - Step 5: Solve for x
x = 97,746.93/335.50 - Step 6: Final answer
x = 291.35
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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.