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Finding the Fourth Proportional to 411.10, 616.28 and 295.25

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Solution

The fourth proportional to 411.10, 616.28 and 295.25 is: 442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.10 : 616.28 = 295.25 : x
  2. Step 2: Convert to fraction form
    411.10/616.28 = 295.25/x
  3. Step 3: Cross multiply
    411.10x = 616.28 × 295.25
  4. Step 4: Simplify right side
    411.10x = 181,955.19
  5. Step 5: Solve for x
    x = 181,955.19/411.10
  6. Step 6: Final answer
    x = 442.61

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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.