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Finding the Fourth Proportional to 295, 407.88 and 262.12

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Solution

The fourth proportional to 295, 407.88 and 262.12 is: 362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    295 : 407.88 = 262.12 : x
  2. Step 2: Convert to fraction form
    295/407.88 = 262.12/x
  3. Step 3: Cross multiply
    295x = 407.88 × 262.12
  4. Step 4: Simplify right side
    295x = 106,913.51
  5. Step 5: Solve for x
    x = 106,913.51/295
  6. Step 6: Final answer
    x = 362.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.