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Finding the Fourth Proportional to 1,444.85, 2,167.22 and 622.58

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Solution

The fourth proportional to 1,444.85, 2,167.22 and 622.58 is: 933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.85 : 2,167.22 = 622.58 : x
  2. Step 2: Convert to fraction form
    1,444.85/2,167.22 = 622.58/x
  3. Step 3: Cross multiply
    1,444.85x = 2,167.22 × 622.58
  4. Step 4: Simplify right side
    1,444.85x = 1,349,274.80
  5. Step 5: Solve for x
    x = 1,349,274.80/1,444.85
  6. Step 6: Final answer
    x = 933.85

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1.5x scale

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.