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Finding the Fourth Proportional to 176.08, 263.64 and 136.90

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Solution

The fourth proportional to 176.08, 263.64 and 136.90 is: 204.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.08 : 263.64 = 136.90 : x
  2. Step 2: Convert to fraction form
    176.08/263.64 = 136.90/x
  3. Step 3: Cross multiply
    176.08x = 263.64 × 136.90
  4. Step 4: Simplify right side
    176.08x = 36,092.32
  5. Step 5: Solve for x
    x = 36,092.32/176.08
  6. Step 6: Final answer
    x = 204.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.