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Finding the Fourth Proportional to 832.91, 1,149.42 and 571.01

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Solution

The fourth proportional to 832.91, 1,149.42 and 571.01 is: 788.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    832.91 : 1,149.42 = 571.01 : x
  2. Step 2: Convert to fraction form
    832.91/1,149.42 = 571.01/x
  3. Step 3: Cross multiply
    832.91x = 1,149.42 × 571.01
  4. Step 4: Simplify right side
    832.91x = 656,330.31
  5. Step 5: Solve for x
    x = 656,330.31/832.91
  6. Step 6: Final answer
    x = 788.00

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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.