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Finding the Fourth Proportional to 1,250.48, 1,872.72 and 599.12

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Solution

The fourth proportional to 1,250.48, 1,872.72 and 599.12 is: 897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.48 : 1,872.72 = 599.12 : x
  2. Step 2: Convert to fraction form
    1,250.48/1,872.72 = 599.12/x
  3. Step 3: Cross multiply
    1,250.48x = 1,872.72 × 599.12
  4. Step 4: Simplify right side
    1,250.48x = 1,121,984.01
  5. Step 5: Solve for x
    x = 1,121,984.01/1,250.48
  6. Step 6: Final answer
    x = 897.24

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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.