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Finding the Fourth Proportional to 176.19, 264.59 and 108.11

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Solution

The fourth proportional to 176.19, 264.59 and 108.11 is: 162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.19 : 264.59 = 108.11 : x
  2. Step 2: Convert to fraction form
    176.19/264.59 = 108.11/x
  3. Step 3: Cross multiply
    176.19x = 264.59 × 108.11
  4. Step 4: Simplify right side
    176.19x = 28,605.22
  5. Step 5: Solve for x
    x = 28,605.22/176.19
  6. Step 6: Final answer
    x = 162.35

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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.