Finding the Fourth Proportional to 310.42, 466.65 and 307.99
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Solution
The fourth proportional to 310.42, 466.65 and 307.99 is: 463.00
Step by Step Solution
- Step 1: Write the proportion equation
310.42 : 466.65 = 307.99 : x - Step 2: Convert to fraction form
310.42/466.65 = 307.99/x - Step 3: Cross multiply
310.42x = 466.65 × 307.99 - Step 4: Simplify right side
310.42x = 143,723.53 - Step 5: Solve for x
x = 143,723.53/310.42 - Step 6: Final answer
x = 463.00
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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.