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Finding the Fourth Proportional to 832.62, 1,149.16 and 501.23

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Solution

The fourth proportional to 832.62, 1,149.16 and 501.23 is: 691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    832.62 : 1,149.16 = 501.23 : x
  2. Step 2: Convert to fraction form
    832.62/1,149.16 = 501.23/x
  3. Step 3: Cross multiply
    832.62x = 1,149.16 × 501.23
  4. Step 4: Simplify right side
    832.62x = 575,993.47
  5. Step 5: Solve for x
    x = 575,993.47/832.62
  6. Step 6: Final answer
    x = 691.78

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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.