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Finding the Fourth Proportional to 551.07, 759.29 and 462.24

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Solution

The fourth proportional to 551.07, 759.29 and 462.24 is: 636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.07 : 759.29 = 462.24 : x
  2. Step 2: Convert to fraction form
    551.07/759.29 = 462.24/x
  3. Step 3: Cross multiply
    551.07x = 759.29 × 462.24
  4. Step 4: Simplify right side
    551.07x = 350,971.90
  5. Step 5: Solve for x
    x = 350,971.90/551.07
  6. Step 6: Final answer
    x = 636.89

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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.