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Finding the Fourth Proportional to 1,225.05, 1,834.97 and 567.47

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Solution

The fourth proportional to 1,225.05, 1,834.97 and 567.47 is: 850.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.05 : 1,834.97 = 567.47 : x
  2. Step 2: Convert to fraction form
    1,225.05/1,834.97 = 567.47/x
  3. Step 3: Cross multiply
    1,225.05x = 1,834.97 × 567.47
  4. Step 4: Simplify right side
    1,225.05x = 1,041,290.43
  5. Step 5: Solve for x
    x = 1,041,290.43/1,225.05
  6. Step 6: Final answer
    x = 850.00

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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.