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Finding the Fourth Proportional to 560.10, 772.92 and 308.01

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Solution

The fourth proportional to 560.10, 772.92 and 308.01 is: 425.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.10 : 772.92 = 308.01 : x
  2. Step 2: Convert to fraction form
    560.10/772.92 = 308.01/x
  3. Step 3: Cross multiply
    560.10x = 772.92 × 308.01
  4. Step 4: Simplify right side
    560.10x = 238,067.09
  5. Step 5: Solve for x
    x = 238,067.09/560.10
  6. Step 6: Final answer
    x = 425.04

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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.