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Finding the Fourth Proportional to 371.34, 509.13 and 370.35

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Solution

The fourth proportional to 371.34, 509.13 and 370.35 is: 507.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.34 : 509.13 = 370.35 : x
  2. Step 2: Convert to fraction form
    371.34/509.13 = 370.35/x
  3. Step 3: Cross multiply
    371.34x = 509.13 × 370.35
  4. Step 4: Simplify right side
    371.34x = 188,556.30
  5. Step 5: Solve for x
    x = 188,556.30/371.34
  6. Step 6: Final answer
    x = 507.77

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.