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Finding the Fourth Proportional to 1,037.22, 1,548.24 and 914.21

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Solution

The fourth proportional to 1,037.22, 1,548.24 and 914.21 is: 1,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.22 : 1,548.24 = 914.21 : x
  2. Step 2: Convert to fraction form
    1,037.22/1,548.24 = 914.21/x
  3. Step 3: Cross multiply
    1,037.22x = 1,548.24 × 914.21
  4. Step 4: Simplify right side
    1,037.22x = 1,415,408.75
  5. Step 5: Solve for x
    x = 1,415,408.75/1,037.22
  6. Step 6: Final answer
    x = 1,364.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.