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Finding the Fourth Proportional to 1,218.46, 1,825.96 and 601.30

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Solution

The fourth proportional to 1,218.46, 1,825.96 and 601.30 is: 901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218.46 : 1,825.96 = 601.30 : x
  2. Step 2: Convert to fraction form
    1,218.46/1,825.96 = 601.30/x
  3. Step 3: Cross multiply
    1,218.46x = 1,825.96 × 601.30
  4. Step 4: Simplify right side
    1,218.46x = 1,097,949.75
  5. Step 5: Solve for x
    x = 1,097,949.75/1,218.46
  6. Step 6: Final answer
    x = 901.10

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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.