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Finding the Fourth Proportional to 544.77, 751.82 and 308.63

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Solution

The fourth proportional to 544.77, 751.82 and 308.63 is: 425.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.77 : 751.82 = 308.63 : x
  2. Step 2: Convert to fraction form
    544.77/751.82 = 308.63/x
  3. Step 3: Cross multiply
    544.77x = 751.82 × 308.63
  4. Step 4: Simplify right side
    544.77x = 232,034.21
  5. Step 5: Solve for x
    x = 232,034.21/544.77
  6. Step 6: Final answer
    x = 425.93

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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.