Finding the Fourth Proportional to 59.52, 89.40 and 51.99
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Solution
The fourth proportional to 59.52, 89.40 and 51.99 is: 78.09
Step by Step Solution
- Step 1: Write the proportion equation
59.52 : 89.40 = 51.99 : x - Step 2: Convert to fraction form
59.52/89.40 = 51.99/x - Step 3: Cross multiply
59.52x = 89.40 × 51.99 - Step 4: Simplify right side
59.52x = 4,647.91 - Step 5: Solve for x
x = 4,647.91/59.52 - Step 6: Final answer
x = 78.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.