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Finding the Fourth Proportional to 1,248.80, 1,873.22 and 599.38

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Solution

The fourth proportional to 1,248.80, 1,873.22 and 599.38 is: 899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248.80 : 1,873.22 = 599.38 : x
  2. Step 2: Convert to fraction form
    1,248.80/1,873.22 = 599.38/x
  3. Step 3: Cross multiply
    1,248.80x = 1,873.22 × 599.38
  4. Step 4: Simplify right side
    1,248.80x = 1,122,770.60
  5. Step 5: Solve for x
    x = 1,122,770.60/1,248.80
  6. Step 6: Final answer
    x = 899.08

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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.