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Finding the Fourth Proportional to 371.10, 514.28 and 365.88

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Solution

The fourth proportional to 371.10, 514.28 and 365.88 is: 507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.10 : 514.28 = 365.88 : x
  2. Step 2: Convert to fraction form
    371.10/514.28 = 365.88/x
  3. Step 3: Cross multiply
    371.10x = 514.28 × 365.88
  4. Step 4: Simplify right side
    371.10x = 188,164.77
  5. Step 5: Solve for x
    x = 188,164.77/371.10
  6. Step 6: Final answer
    x = 507.05

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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.