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Finding the Fourth Proportional to 476.06, 713.33 and 378.03

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Solution

The fourth proportional to 476.06, 713.33 and 378.03 is: 566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.06 : 713.33 = 378.03 : x
  2. Step 2: Convert to fraction form
    476.06/713.33 = 378.03/x
  3. Step 3: Cross multiply
    476.06x = 713.33 × 378.03
  4. Step 4: Simplify right side
    476.06x = 269,658.25
  5. Step 5: Solve for x
    x = 269,658.25/476.06
  6. Step 6: Final answer
    x = 566.44

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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.