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Finding the Fourth Proportional to 374.83, 519.62 and 367.28

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Solution

The fourth proportional to 374.83, 519.62 and 367.28 is: 509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.83 : 519.62 = 367.28 : x
  2. Step 2: Convert to fraction form
    374.83/519.62 = 367.28/x
  3. Step 3: Cross multiply
    374.83x = 519.62 × 367.28
  4. Step 4: Simplify right side
    374.83x = 190,846.47
  5. Step 5: Solve for x
    x = 190,846.47/374.83
  6. Step 6: Final answer
    x = 509.16

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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.