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Finding the Fourth Proportional to 566.97, 782.26 and 345.93

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Solution

The fourth proportional to 566.97, 782.26 and 345.93 is: 477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.97 : 782.26 = 345.93 : x
  2. Step 2: Convert to fraction form
    566.97/782.26 = 345.93/x
  3. Step 3: Cross multiply
    566.97x = 782.26 × 345.93
  4. Step 4: Simplify right side
    566.97x = 270,607.20
  5. Step 5: Solve for x
    x = 270,607.20/566.97
  6. Step 6: Final answer
    x = 477.29

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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.