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Finding the Fourth Proportional to 370.24, 554.57 and 254.14

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Solution

The fourth proportional to 370.24, 554.57 and 254.14 is: 380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.24 : 554.57 = 254.14 : x
  2. Step 2: Convert to fraction form
    370.24/554.57 = 254.14/x
  3. Step 3: Cross multiply
    370.24x = 554.57 × 254.14
  4. Step 4: Simplify right side
    370.24x = 140,938.42
  5. Step 5: Solve for x
    x = 140,938.42/370.24
  6. Step 6: Final answer
    x = 380.67

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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.