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Finding the Fourth Proportional to 407.15, 610.16 and 175.97

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Solution

The fourth proportional to 407.15, 610.16 and 175.97 is: 263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.15 : 610.16 = 175.97 : x
  2. Step 2: Convert to fraction form
    407.15/610.16 = 175.97/x
  3. Step 3: Cross multiply
    407.15x = 610.16 × 175.97
  4. Step 4: Simplify right side
    407.15x = 107,371.00
  5. Step 5: Solve for x
    x = 107,371.00/407.15
  6. Step 6: Final answer
    x = 263.71

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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.