Finding the Fourth Proportional to 473.56, 652.94 and 394.99
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Solution
The fourth proportional to 473.56, 652.94 and 394.99 is: 544.61
Step by Step Solution
- Step 1: Write the proportion equation
473.56 : 652.94 = 394.99 : x - Step 2: Convert to fraction form
473.56/652.94 = 394.99/x - Step 3: Cross multiply
473.56x = 652.94 × 394.99 - Step 4: Simplify right side
473.56x = 257,902.15 - Step 5: Solve for x
x = 257,902.15/473.56 - Step 6: Final answer
x = 544.61
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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.