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Finding the Fourth Proportional to 220.01, 302.32 and 176.27

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Solution

The fourth proportional to 220.01, 302.32 and 176.27 is: 242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220.01 : 302.32 = 176.27 : x
  2. Step 2: Convert to fraction form
    220.01/302.32 = 176.27/x
  3. Step 3: Cross multiply
    220.01x = 302.32 × 176.27
  4. Step 4: Simplify right side
    220.01x = 53,289.95
  5. Step 5: Solve for x
    x = 53,289.95/220.01
  6. Step 6: Final answer
    x = 242.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.