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Finding the Fourth Proportional to 295.22, 440.52 and 274.30

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Solution

The fourth proportional to 295.22, 440.52 and 274.30 is: 409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.22 : 440.52 = 274.30 : x
  2. Step 2: Convert to fraction form
    295.22/440.52 = 274.30/x
  3. Step 3: Cross multiply
    295.22x = 440.52 × 274.30
  4. Step 4: Simplify right side
    295.22x = 120,834.64
  5. Step 5: Solve for x
    x = 120,834.64/295.22
  6. Step 6: Final answer
    x = 409.30

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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.