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Finding the Fourth Proportional to 832.46, 1,245.62 and 502.22

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Solution

The fourth proportional to 832.46, 1,245.62 and 502.22 is: 751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    832.46 : 1,245.62 = 502.22 : x
  2. Step 2: Convert to fraction form
    832.46/1,245.62 = 502.22/x
  3. Step 3: Cross multiply
    832.46x = 1,245.62 × 502.22
  4. Step 4: Simplify right side
    832.46x = 625,570.30
  5. Step 5: Solve for x
    x = 625,570.30/832.46
  6. Step 6: Final answer
    x = 751.48

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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.