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Finding the Fourth Proportional to 379.38, 526.12 and 367.04

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Solution

The fourth proportional to 379.38, 526.12 and 367.04 is: 509.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.38 : 526.12 = 367.04 : x
  2. Step 2: Convert to fraction form
    379.38/526.12 = 367.04/x
  3. Step 3: Cross multiply
    379.38x = 526.12 × 367.04
  4. Step 4: Simplify right side
    379.38x = 193,107.08
  5. Step 5: Solve for x
    x = 193,107.08/379.38
  6. Step 6: Final answer
    x = 509.01

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.