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Finding the Fourth Proportional to 176.53, 243.73 and 110.16

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Solution

The fourth proportional to 176.53, 243.73 and 110.16 is: 152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.53 : 243.73 = 110.16 : x
  2. Step 2: Convert to fraction form
    176.53/243.73 = 110.16/x
  3. Step 3: Cross multiply
    176.53x = 243.73 × 110.16
  4. Step 4: Simplify right side
    176.53x = 26,849.27
  5. Step 5: Solve for x
    x = 26,849.27/176.53
  6. Step 6: Final answer
    x = 152.10

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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.