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Finding the Fourth Proportional to 1,216.64, 1,826.04 and 567.56

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Solution

The fourth proportional to 1,216.64, 1,826.04 and 567.56 is: 851.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216.64 : 1,826.04 = 567.56 : x
  2. Step 2: Convert to fraction form
    1,216.64/1,826.04 = 567.56/x
  3. Step 3: Cross multiply
    1,216.64x = 1,826.04 × 567.56
  4. Step 4: Simplify right side
    1,216.64x = 1,036,387.26
  5. Step 5: Solve for x
    x = 1,036,387.26/1,216.64
  6. Step 6: Final answer
    x = 851.84

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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.