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Finding the Fourth Proportional to 117.16, 175.62 and 63.04

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Solution

The fourth proportional to 117.16, 175.62 and 63.04 is: 94.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.16 : 175.62 = 63.04 : x
  2. Step 2: Convert to fraction form
    117.16/175.62 = 63.04/x
  3. Step 3: Cross multiply
    117.16x = 175.62 × 63.04
  4. Step 4: Simplify right side
    117.16x = 11,071.08
  5. Step 5: Solve for x
    x = 11,071.08/117.16
  6. Step 6: Final answer
    x = 94.50

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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.