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Finding the Fourth Proportional to 566.36, 780.92 and 511.07

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Solution

The fourth proportional to 566.36, 780.92 and 511.07 is: 704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.36 : 780.92 = 511.07 : x
  2. Step 2: Convert to fraction form
    566.36/780.92 = 511.07/x
  3. Step 3: Cross multiply
    566.36x = 780.92 × 511.07
  4. Step 4: Simplify right side
    566.36x = 399,104.78
  5. Step 5: Solve for x
    x = 399,104.78/566.36
  6. Step 6: Final answer
    x = 704.69

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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.