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Finding the Fourth Proportional to 303.04, 455.04 and 230.56

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Solution

The fourth proportional to 303.04, 455.04 and 230.56 is: 346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.04 : 455.04 = 230.56 : x
  2. Step 2: Convert to fraction form
    303.04/455.04 = 230.56/x
  3. Step 3: Cross multiply
    303.04x = 455.04 × 230.56
  4. Step 4: Simplify right side
    303.04x = 104,914.02
  5. Step 5: Solve for x
    x = 104,914.02/303.04
  6. Step 6: Final answer
    x = 346.21

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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.