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Finding the Fourth Proportional to 375.36, 515.04 and 365.76

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Solution

The fourth proportional to 375.36, 515.04 and 365.76 is: 501.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.36 : 515.04 = 365.76 : x
  2. Step 2: Convert to fraction form
    375.36/515.04 = 365.76/x
  3. Step 3: Cross multiply
    375.36x = 515.04 × 365.76
  4. Step 4: Simplify right side
    375.36x = 188,381.03
  5. Step 5: Solve for x
    x = 188,381.03/375.36
  6. Step 6: Final answer
    x = 501.87

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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.