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Finding the Fourth Proportional to 755.05, 1,132.00 and 462.23

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Solution

The fourth proportional to 755.05, 1,132.00 and 462.23 is: 693.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    755.05 : 1,132.00 = 462.23 : x
  2. Step 2: Convert to fraction form
    755.05/1,132.00 = 462.23/x
  3. Step 3: Cross multiply
    755.05x = 1,132.00 × 462.23
  4. Step 4: Simplify right side
    755.05x = 523,246.27
  5. Step 5: Solve for x
    x = 523,246.27/755.05
  6. Step 6: Final answer
    x = 693.00

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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.