Finding the Fourth Proportional to 52.43, 72.35 and 34.05
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Solution
The fourth proportional to 52.43, 72.35 and 34.05 is: 46.99
Step by Step Solution
- Step 1: Write the proportion equation
52.43 : 72.35 = 34.05 : x - Step 2: Convert to fraction form
52.43/72.35 = 34.05/x - Step 3: Cross multiply
52.43x = 72.35 × 34.05 - Step 4: Simplify right side
52.43x = 2,463.52 - Step 5: Solve for x
x = 2,463.52/52.43 - Step 6: Final answer
x = 46.99
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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.