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Finding the Fourth Proportional to 1,022.41, 1,530.37 and 732.97

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Solution

The fourth proportional to 1,022.41, 1,530.37 and 732.97 is: 1,097.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.41 : 1,530.37 = 732.97 : x
  2. Step 2: Convert to fraction form
    1,022.41/1,530.37 = 732.97/x
  3. Step 3: Cross multiply
    1,022.41x = 1,530.37 × 732.97
  4. Step 4: Simplify right side
    1,022.41x = 1,121,703.98
  5. Step 5: Solve for x
    x = 1,121,703.98/1,022.41
  6. Step 6: Final answer
    x = 1,097.12

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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.