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Finding the Fourth Proportional to 117.02, 176.38 and 110.06

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Solution

The fourth proportional to 117.02, 176.38 and 110.06 is: 165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.02 : 176.38 = 110.06 : x
  2. Step 2: Convert to fraction form
    117.02/176.38 = 110.06/x
  3. Step 3: Cross multiply
    117.02x = 176.38 × 110.06
  4. Step 4: Simplify right side
    117.02x = 19,412.38
  5. Step 5: Solve for x
    x = 19,412.38/117.02
  6. Step 6: Final answer
    x = 165.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.