Finding the Fourth Proportional to 467.99, 646.08 and 320.84
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Solution
The fourth proportional to 467.99, 646.08 and 320.84 is: 442.93
Step by Step Solution
- Step 1: Write the proportion equation
467.99 : 646.08 = 320.84 : x - Step 2: Convert to fraction form
467.99/646.08 = 320.84/x - Step 3: Cross multiply
467.99x = 646.08 × 320.84 - Step 4: Simplify right side
467.99x = 207,288.31 - Step 5: Solve for x
x = 207,288.31/467.99 - Step 6: Final answer
x = 442.93
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.