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Finding the Fourth Proportional to 476.03, 713.11 and 424.43

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Solution

The fourth proportional to 476.03, 713.11 and 424.43 is: 635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.03 : 713.11 = 424.43 : x
  2. Step 2: Convert to fraction form
    476.03/713.11 = 424.43/x
  3. Step 3: Cross multiply
    476.03x = 713.11 × 424.43
  4. Step 4: Simplify right side
    476.03x = 302,660.65
  5. Step 5: Solve for x
    x = 302,660.65/476.03
  6. Step 6: Final answer
    x = 635.81

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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.