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Finding the Fourth Proportional to 176.58, 263.39 and 167.40

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Solution

The fourth proportional to 176.58, 263.39 and 167.40 is: 249.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.58 : 263.39 = 167.40 : x
  2. Step 2: Convert to fraction form
    176.58/263.39 = 167.40/x
  3. Step 3: Cross multiply
    176.58x = 263.39 × 167.40
  4. Step 4: Simplify right side
    176.58x = 44,090.65
  5. Step 5: Solve for x
    x = 44,090.65/176.58
  6. Step 6: Final answer
    x = 249.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.