Finding the Fourth Proportional to 59.42, 81.97 and 34.53
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Solution
The fourth proportional to 59.42, 81.97 and 34.53 is: 47.63
Step by Step Solution
- Step 1: Write the proportion equation
59.42 : 81.97 = 34.53 : x - Step 2: Convert to fraction form
59.42/81.97 = 34.53/x - Step 3: Cross multiply
59.42x = 81.97 × 34.53 - Step 4: Simplify right side
59.42x = 2,830.27 - Step 5: Solve for x
x = 2,830.27/59.42 - Step 6: Final answer
x = 47.63
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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.