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Finding the Fourth Proportional to 510.62, 765.09 and 373.73

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Solution

The fourth proportional to 510.62, 765.09 and 373.73 is: 559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.62 : 765.09 = 373.73 : x
  2. Step 2: Convert to fraction form
    510.62/765.09 = 373.73/x
  3. Step 3: Cross multiply
    510.62x = 765.09 × 373.73
  4. Step 4: Simplify right side
    510.62x = 285,933.26
  5. Step 5: Solve for x
    x = 285,933.26/510.62
  6. Step 6: Final answer
    x = 559.98

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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.