Finding the Fourth Proportional to 302.62, 453.95 and 97.18
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Solution
The fourth proportional to 302.62, 453.95 and 97.18 is: 145.77
Step by Step Solution
- Step 1: Write the proportion equation
302.62 : 453.95 = 97.18 : x - Step 2: Convert to fraction form
302.62/453.95 = 97.18/x - Step 3: Cross multiply
302.62x = 453.95 × 97.18 - Step 4: Simplify right side
302.62x = 44,113.36 - Step 5: Solve for x
x = 44,113.36/302.62 - Step 6: Final answer
x = 145.77
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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.