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Finding the Fourth Proportional to 832.37, 1,148.27 and 500.73

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Solution

The fourth proportional to 832.37, 1,148.27 and 500.73 is: 690.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    832.37 : 1,148.27 = 500.73 : x
  2. Step 2: Convert to fraction form
    832.37/1,148.27 = 500.73/x
  3. Step 3: Cross multiply
    832.37x = 1,148.27 × 500.73
  4. Step 4: Simplify right side
    832.37x = 574,966.43
  5. Step 5: Solve for x
    x = 574,966.43/832.37
  6. Step 6: Final answer
    x = 690.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.