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Finding the Fourth Proportional to 295.40, 444.58 and 222.65

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Solution

The fourth proportional to 295.40, 444.58 and 222.65 is: 335.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.40 : 444.58 = 222.65 : x
  2. Step 2: Convert to fraction form
    295.40/444.58 = 222.65/x
  3. Step 3: Cross multiply
    295.40x = 444.58 × 222.65
  4. Step 4: Simplify right side
    295.40x = 98,985.74
  5. Step 5: Solve for x
    x = 98,985.74/295.40
  6. Step 6: Final answer
    x = 335.09

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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.