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Finding the Fourth Proportional to 1,034.15, 1,549.14 and 622.04

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Solution

The fourth proportional to 1,034.15, 1,549.14 and 622.04 is: 931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.15 : 1,549.14 = 622.04 : x
  2. Step 2: Convert to fraction form
    1,034.15/1,549.14 = 622.04/x
  3. Step 3: Cross multiply
    1,034.15x = 1,549.14 × 622.04
  4. Step 4: Simplify right side
    1,034.15x = 963,619.30
  5. Step 5: Solve for x
    x = 963,619.30/1,034.15
  6. Step 6: Final answer
    x = 931.80

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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.