Finding the Fourth Proportional to 161.71, 242.48 and 58.99
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Solution
The fourth proportional to 161.71, 242.48 and 58.99 is: 88.45
Step by Step Solution
- Step 1: Write the proportion equation
161.71 : 242.48 = 58.99 : x - Step 2: Convert to fraction form
161.71/242.48 = 58.99/x - Step 3: Cross multiply
161.71x = 242.48 × 58.99 - Step 4: Simplify right side
161.71x = 14,303.90 - Step 5: Solve for x
x = 14,303.90/161.71 - Step 6: Final answer
x = 88.45
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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.