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Finding the Fourth Proportional to 383.37, 573.68 and 357.62

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Solution

The fourth proportional to 383.37, 573.68 and 357.62 is: 535.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.37 : 573.68 = 357.62 : x
  2. Step 2: Convert to fraction form
    383.37/573.68 = 357.62/x
  3. Step 3: Cross multiply
    383.37x = 573.68 × 357.62
  4. Step 4: Simplify right side
    383.37x = 205,158.68
  5. Step 5: Solve for x
    x = 205,158.68/383.37
  6. Step 6: Final answer
    x = 535.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.