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Finding the Fourth Proportional to 483.13, 723.85 and 300.66

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Solution

The fourth proportional to 483.13, 723.85 and 300.66 is: 450.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.13 : 723.85 = 300.66 : x
  2. Step 2: Convert to fraction form
    483.13/723.85 = 300.66/x
  3. Step 3: Cross multiply
    483.13x = 723.85 × 300.66
  4. Step 4: Simplify right side
    483.13x = 217,632.74
  5. Step 5: Solve for x
    x = 217,632.74/483.13
  6. Step 6: Final answer
    x = 450.46

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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.