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Finding the Fourth Proportional to 375.04, 517.42 and 270.12

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Solution

The fourth proportional to 375.04, 517.42 and 270.12 is: 372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.04 : 517.42 = 270.12 : x
  2. Step 2: Convert to fraction form
    375.04/517.42 = 270.12/x
  3. Step 3: Cross multiply
    375.04x = 517.42 × 270.12
  4. Step 4: Simplify right side
    375.04x = 139,765.49
  5. Step 5: Solve for x
    x = 139,765.49/375.04
  6. Step 6: Final answer
    x = 372.67

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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.