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Finding the Fourth Proportional to 395.83, 548.74 and 375.01

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Solution

The fourth proportional to 395.83, 548.74 and 375.01 is: 519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.83 : 548.74 = 375.01 : x
  2. Step 2: Convert to fraction form
    395.83/548.74 = 375.01/x
  3. Step 3: Cross multiply
    395.83x = 548.74 × 375.01
  4. Step 4: Simplify right side
    395.83x = 205,782.99
  5. Step 5: Solve for x
    x = 205,782.99/395.83
  6. Step 6: Final answer
    x = 519.88

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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.