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Finding the Fourth Proportional to 484.70, 725.96 and 376.16

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Solution

The fourth proportional to 484.70, 725.96 and 376.16 is: 563.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.70 : 725.96 = 376.16 : x
  2. Step 2: Convert to fraction form
    484.70/725.96 = 376.16/x
  3. Step 3: Cross multiply
    484.70x = 725.96 × 376.16
  4. Step 4: Simplify right side
    484.70x = 273,077.11
  5. Step 5: Solve for x
    x = 273,077.11/484.70
  6. Step 6: Final answer
    x = 563.39

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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.