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Finding the Fourth Proportional to 295.08, 440.56 and 265.92

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Solution

The fourth proportional to 295.08, 440.56 and 265.92 is: 397.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.08 : 440.56 = 265.92 : x
  2. Step 2: Convert to fraction form
    295.08/440.56 = 265.92/x
  3. Step 3: Cross multiply
    295.08x = 440.56 × 265.92
  4. Step 4: Simplify right side
    295.08x = 117,153.72
  5. Step 5: Solve for x
    x = 117,153.72/295.08
  6. Step 6: Final answer
    x = 397.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.