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Finding the Fourth Proportional to 369.01, 509.09 and 229.08

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Solution

The fourth proportional to 369.01, 509.09 and 229.08 is: 316.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.01 : 509.09 = 229.08 : x
  2. Step 2: Convert to fraction form
    369.01/509.09 = 229.08/x
  3. Step 3: Cross multiply
    369.01x = 509.09 × 229.08
  4. Step 4: Simplify right side
    369.01x = 116,622.34
  5. Step 5: Solve for x
    x = 116,622.34/369.01
  6. Step 6: Final answer
    x = 316.04

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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.