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Finding the Fourth Proportional to 295.49, 407.76 and 164.50

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Solution

The fourth proportional to 295.49, 407.76 and 164.50 is: 226.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.49 : 407.76 = 164.50 : x
  2. Step 2: Convert to fraction form
    295.49/407.76 = 164.50/x
  3. Step 3: Cross multiply
    295.49x = 407.76 × 164.50
  4. Step 4: Simplify right side
    295.49x = 67,074.48
  5. Step 5: Solve for x
    x = 67,074.48/295.49
  6. Step 6: Final answer
    x = 226.99

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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.