Finding the Fourth Proportional to 473.20, 652.26 and 317.68
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Solution
The fourth proportional to 473.20, 652.26 and 317.68 is: 437.89
Step by Step Solution
- Step 1: Write the proportion equation
473.20 : 652.26 = 317.68 : x - Step 2: Convert to fraction form
473.20/652.26 = 317.68/x - Step 3: Cross multiply
473.20x = 652.26 × 317.68 - Step 4: Simplify right side
473.20x = 207,209.96 - Step 5: Solve for x
x = 207,209.96/473.20 - Step 6: Final answer
x = 437.89
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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.