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Finding the Fourth Proportional to 484.05, 667.99 and 263.00

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Solution

The fourth proportional to 484.05, 667.99 and 263.00 is: 362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.05 : 667.99 = 263.00 : x
  2. Step 2: Convert to fraction form
    484.05/667.99 = 263.00/x
  3. Step 3: Cross multiply
    484.05x = 667.99 × 263.00
  4. Step 4: Simplify right side
    484.05x = 175,683.37
  5. Step 5: Solve for x
    x = 175,683.37/484.05
  6. Step 6: Final answer
    x = 362.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.