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Finding the Fourth Proportional to 551.11, 760.02 and 426.37

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Solution

The fourth proportional to 551.11, 760.02 and 426.37 is: 587.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.11 : 760.02 = 426.37 : x
  2. Step 2: Convert to fraction form
    551.11/760.02 = 426.37/x
  3. Step 3: Cross multiply
    551.11x = 760.02 × 426.37
  4. Step 4: Simplify right side
    551.11x = 324,045.93
  5. Step 5: Solve for x
    x = 324,045.93/551.11
  6. Step 6: Final answer
    x = 587.99

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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.