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Finding the Fourth Proportional to 544.67, 751.53 and 345.56

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Solution

The fourth proportional to 544.67, 751.53 and 345.56 is: 476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.67 : 751.53 = 345.56 : x
  2. Step 2: Convert to fraction form
    544.67/751.53 = 345.56/x
  3. Step 3: Cross multiply
    544.67x = 751.53 × 345.56
  4. Step 4: Simplify right side
    544.67x = 259,696.41
  5. Step 5: Solve for x
    x = 259,696.41/544.67
  6. Step 6: Final answer
    x = 476.80

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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.