Finding the Fourth Proportional to 245.99, 368.99 and 101.70
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Solution
The fourth proportional to 245.99, 368.99 and 101.70 is: 152.55
Step by Step Solution
- Step 1: Write the proportion equation
245.99 : 368.99 = 101.70 : x - Step 2: Convert to fraction form
245.99/368.99 = 101.70/x - Step 3: Cross multiply
245.99x = 368.99 × 101.70 - Step 4: Simplify right side
245.99x = 37,526.28 - Step 5: Solve for x
x = 37,526.28/245.99 - Step 6: Final answer
x = 152.55
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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.