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Finding the Fourth Proportional to 295.00, 407.46 and 208.06

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Solution

The fourth proportional to 295.00, 407.46 and 208.06 is: 287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.00 : 407.46 = 208.06 : x
  2. Step 2: Convert to fraction form
    295.00/407.46 = 208.06/x
  3. Step 3: Cross multiply
    295.00x = 407.46 × 208.06
  4. Step 4: Simplify right side
    295.00x = 84,775.89
  5. Step 5: Solve for x
    x = 84,775.89/295.00
  6. Step 6: Final answer
    x = 287.38

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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.