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Finding the Fourth Proportional to 395.00, 546.38 and 370.22

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Solution

The fourth proportional to 395.00, 546.38 and 370.22 is: 512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.00 : 546.38 = 370.22 : x
  2. Step 2: Convert to fraction form
    395.00/546.38 = 370.22/x
  3. Step 3: Cross multiply
    395.00x = 546.38 × 370.22
  4. Step 4: Simplify right side
    395.00x = 202,276.22
  5. Step 5: Solve for x
    x = 202,276.22/395.00
  6. Step 6: Final answer
    x = 512.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.