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Finding the Fourth Proportional to 572.42, 859.01 and 495.26

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Solution

The fourth proportional to 572.42, 859.01 and 495.26 is: 743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.42 : 859.01 = 495.26 : x
  2. Step 2: Convert to fraction form
    572.42/859.01 = 495.26/x
  3. Step 3: Cross multiply
    572.42x = 859.01 × 495.26
  4. Step 4: Simplify right side
    572.42x = 425,434.57
  5. Step 5: Solve for x
    x = 425,434.57/572.42
  6. Step 6: Final answer
    x = 743.23

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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.