Finding the Fourth Proportional to 59.01, 88.49 and 42.99
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Solution
The fourth proportional to 59.01, 88.49 and 42.99 is: 64.46
Step by Step Solution
- Step 1: Write the proportion equation
59.01 : 88.49 = 42.99 : x - Step 2: Convert to fraction form
59.01/88.49 = 42.99/x - Step 3: Cross multiply
59.01x = 88.49 × 42.99 - Step 4: Simplify right side
59.01x = 3,803.97 - Step 5: Solve for x
x = 3,803.97/59.01 - Step 6: Final answer
x = 64.46
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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.