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Finding the Fourth Proportional to 482.50, 724.63 and 441.83

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Solution

The fourth proportional to 482.50, 724.63 and 441.83 is: 663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.50 : 724.63 = 441.83 : x
  2. Step 2: Convert to fraction form
    482.50/724.63 = 441.83/x
  3. Step 3: Cross multiply
    482.50x = 724.63 × 441.83
  4. Step 4: Simplify right side
    482.50x = 320,161.06
  5. Step 5: Solve for x
    x = 320,161.06/482.50
  6. Step 6: Final answer
    x = 663.55

Related Problems

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Double scale
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Similar ratio
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1.5x scale

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.