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Finding the Fourth Proportional to 365.79, 501.12 and 351.92

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Solution

The fourth proportional to 365.79, 501.12 and 351.92 is: 482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.79 : 501.12 = 351.92 : x
  2. Step 2: Convert to fraction form
    365.79/501.12 = 351.92/x
  3. Step 3: Cross multiply
    365.79x = 501.12 × 351.92
  4. Step 4: Simplify right side
    365.79x = 176,354.15
  5. Step 5: Solve for x
    x = 176,354.15/365.79
  6. Step 6: Final answer
    x = 482.12

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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.