Home / 676.11-933.57-440.18

Finding the Fourth Proportional to 676.11, 933.57 and 440.18

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Solution

The fourth proportional to 676.11, 933.57 and 440.18 is: 607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.11 : 933.57 = 440.18 : x
  2. Step 2: Convert to fraction form
    676.11/933.57 = 440.18/x
  3. Step 3: Cross multiply
    676.11x = 933.57 × 440.18
  4. Step 4: Simplify right side
    676.11x = 410,938.84
  5. Step 5: Solve for x
    x = 410,938.84/676.11
  6. Step 6: Final answer
    x = 607.80

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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.