Finding the Fourth Proportional to 61.99, 92.59 and 52.88
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Solution
The fourth proportional to 61.99, 92.59 and 52.88 is: 78.98
Step by Step Solution
- Step 1: Write the proportion equation
61.99 : 92.59 = 52.88 : x - Step 2: Convert to fraction form
61.99/92.59 = 52.88/x - Step 3: Cross multiply
61.99x = 92.59 × 52.88 - Step 4: Simplify right side
61.99x = 4,895.56 - Step 5: Solve for x
x = 4,895.56/61.99 - Step 6: Final answer
x = 78.98
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.