Finding the Fourth Proportional to 342.62, 473.08 and 237.66
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Solution
The fourth proportional to 342.62, 473.08 and 237.66 is: 328.15
Step by Step Solution
- Step 1: Write the proportion equation
342.62 : 473.08 = 237.66 : x - Step 2: Convert to fraction form
342.62/473.08 = 237.66/x - Step 3: Cross multiply
342.62x = 473.08 × 237.66 - Step 4: Simplify right side
342.62x = 112,432.19 - Step 5: Solve for x
x = 112,432.19/342.62 - Step 6: Final answer
x = 328.15
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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.