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Finding the Fourth Proportional to 548.95, 757.82 and 372.83

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Solution

The fourth proportional to 548.95, 757.82 and 372.83 is: 514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.95 : 757.82 = 372.83 : x
  2. Step 2: Convert to fraction form
    548.95/757.82 = 372.83/x
  3. Step 3: Cross multiply
    548.95x = 757.82 × 372.83
  4. Step 4: Simplify right side
    548.95x = 282,536.17
  5. Step 5: Solve for x
    x = 282,536.17/548.95
  6. Step 6: Final answer
    x = 514.69

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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.