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Finding the Fourth Proportional to 1,499.45, 2,249.64 and 575.01

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Solution

The fourth proportional to 1,499.45, 2,249.64 and 575.01 is: 862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499.45 : 2,249.64 = 575.01 : x
  2. Step 2: Convert to fraction form
    1,499.45/2,249.64 = 575.01/x
  3. Step 3: Cross multiply
    1,499.45x = 2,249.64 × 575.01
  4. Step 4: Simplify right side
    1,499.45x = 1,293,565.50
  5. Step 5: Solve for x
    x = 1,293,565.50/1,499.45
  6. Step 6: Final answer
    x = 862.70

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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.