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Finding the Fourth Proportional to 370.89, 515.05 and 367.29

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Solution

The fourth proportional to 370.89, 515.05 and 367.29 is: 510.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.89 : 515.05 = 367.29 : x
  2. Step 2: Convert to fraction form
    370.89/515.05 = 367.29/x
  3. Step 3: Cross multiply
    370.89x = 515.05 × 367.29
  4. Step 4: Simplify right side
    370.89x = 189,171.80
  5. Step 5: Solve for x
    x = 189,171.80/370.89
  6. Step 6: Final answer
    x = 510.05

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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.