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Finding the Fourth Proportional to 1,524.30, 2,285.99 and 484.11

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Solution

The fourth proportional to 1,524.30, 2,285.99 and 484.11 is: 726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.30 : 2,285.99 = 484.11 : x
  2. Step 2: Convert to fraction form
    1,524.30/2,285.99 = 484.11/x
  3. Step 3: Cross multiply
    1,524.30x = 2,285.99 × 484.11
  4. Step 4: Simplify right side
    1,524.30x = 1,106,670.01
  5. Step 5: Solve for x
    x = 1,106,670.01/1,524.30
  6. Step 6: Final answer
    x = 726.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.