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Finding the Fourth Proportional to 295.41, 445.33 and 275.59

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Solution

The fourth proportional to 295.41, 445.33 and 275.59 is: 415.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.41 : 445.33 = 275.59 : x
  2. Step 2: Convert to fraction form
    295.41/445.33 = 275.59/x
  3. Step 3: Cross multiply
    295.41x = 445.33 × 275.59
  4. Step 4: Simplify right side
    295.41x = 122,728.84
  5. Step 5: Solve for x
    x = 122,728.84/295.41
  6. Step 6: Final answer
    x = 415.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.