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Finding the Fourth Proportional to 295.06, 441.64 and 265.90

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Solution

The fourth proportional to 295.06, 441.64 and 265.90 is: 397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.06 : 441.64 = 265.90 : x
  2. Step 2: Convert to fraction form
    295.06/441.64 = 265.90/x
  3. Step 3: Cross multiply
    295.06x = 441.64 × 265.90
  4. Step 4: Simplify right side
    295.06x = 117,432.08
  5. Step 5: Solve for x
    x = 117,432.08/295.06
  6. Step 6: Final answer
    x = 397.99

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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.