Finding the Fourth Proportional to 335.28, 463.08 and 291.60
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Solution
The fourth proportional to 335.28, 463.08 and 291.60 is: 402.75
Step by Step Solution
- Step 1: Write the proportion equation
335.28 : 463.08 = 291.60 : x - Step 2: Convert to fraction form
335.28/463.08 = 291.60/x - Step 3: Cross multiply
335.28x = 463.08 × 291.60 - Step 4: Simplify right side
335.28x = 135,034.13 - Step 5: Solve for x
x = 135,034.13/335.28 - Step 6: Final answer
x = 402.75
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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.