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Finding the Fourth Proportional to 557.88, 773.22 and 547.51

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Solution

The fourth proportional to 557.88, 773.22 and 547.51 is: 758.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.88 : 773.22 = 547.51 : x
  2. Step 2: Convert to fraction form
    557.88/773.22 = 547.51/x
  3. Step 3: Cross multiply
    557.88x = 773.22 × 547.51
  4. Step 4: Simplify right side
    557.88x = 423,343.40
  5. Step 5: Solve for x
    x = 423,343.40/557.88
  6. Step 6: Final answer
    x = 758.84

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.