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Finding the Fourth Proportional to 480.46, 663.04 and 375.67

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Solution

The fourth proportional to 480.46, 663.04 and 375.67 is: 518.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.46 : 663.04 = 375.67 : x
  2. Step 2: Convert to fraction form
    480.46/663.04 = 375.67/x
  3. Step 3: Cross multiply
    480.46x = 663.04 × 375.67
  4. Step 4: Simplify right side
    480.46x = 249,084.24
  5. Step 5: Solve for x
    x = 249,084.24/480.46
  6. Step 6: Final answer
    x = 518.43

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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.