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Finding the Fourth Proportional to 544.87, 751.64 and 345.37

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Solution

The fourth proportional to 544.87, 751.64 and 345.37 is: 476.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.87 : 751.64 = 345.37 : x
  2. Step 2: Convert to fraction form
    544.87/751.64 = 345.37/x
  3. Step 3: Cross multiply
    544.87x = 751.64 × 345.37
  4. Step 4: Simplify right side
    544.87x = 259,593.91
  5. Step 5: Solve for x
    x = 259,593.91/544.87
  6. Step 6: Final answer
    x = 476.44

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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.