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Finding the Fourth Proportional to 1,549.91, 2,325.78 and 575.99

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Solution

The fourth proportional to 1,549.91, 2,325.78 and 575.99 is: 864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.91 : 2,325.78 = 575.99 : x
  2. Step 2: Convert to fraction form
    1,549.91/2,325.78 = 575.99/x
  3. Step 3: Cross multiply
    1,549.91x = 2,325.78 × 575.99
  4. Step 4: Simplify right side
    1,549.91x = 1,339,626.02
  5. Step 5: Solve for x
    x = 1,339,626.02/1,549.91
  6. Step 6: Final answer
    x = 864.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.