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Finding the Fourth Proportional to 377.44, 566.64 and 357.28

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Solution

The fourth proportional to 377.44, 566.64 and 357.28 is: 536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.44 : 566.64 = 357.28 : x
  2. Step 2: Convert to fraction form
    377.44/566.64 = 357.28/x
  3. Step 3: Cross multiply
    377.44x = 566.64 × 357.28
  4. Step 4: Simplify right side
    377.44x = 202,449.14
  5. Step 5: Solve for x
    x = 202,449.14/377.44
  6. Step 6: Final answer
    x = 536.37

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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.