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Finding the Fourth Proportional to 360.68, 501.08 and 357.30

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Solution

The fourth proportional to 360.68, 501.08 and 357.30 is: 496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.68 : 501.08 = 357.30 : x
  2. Step 2: Convert to fraction form
    360.68/501.08 = 357.30/x
  3. Step 3: Cross multiply
    360.68x = 501.08 × 357.30
  4. Step 4: Simplify right side
    360.68x = 179,034.10
  5. Step 5: Solve for x
    x = 179,034.10/360.68
  6. Step 6: Final answer
    x = 496.39

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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.