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Finding the Fourth Proportional to 176.39, 243.29 and 110.87

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Solution

The fourth proportional to 176.39, 243.29 and 110.87 is: 152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.39 : 243.29 = 110.87 : x
  2. Step 2: Convert to fraction form
    176.39/243.29 = 110.87/x
  3. Step 3: Cross multiply
    176.39x = 243.29 × 110.87
  4. Step 4: Simplify right side
    176.39x = 26,973.01
  5. Step 5: Solve for x
    x = 26,973.01/176.39
  6. Step 6: Final answer
    x = 152.92

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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.