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Finding the Fourth Proportional to 303.20, 417.93 and 237.59

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Solution

The fourth proportional to 303.20, 417.93 and 237.59 is: 327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.20 : 417.93 = 237.59 : x
  2. Step 2: Convert to fraction form
    303.20/417.93 = 237.59/x
  3. Step 3: Cross multiply
    303.20x = 417.93 × 237.59
  4. Step 4: Simplify right side
    303.20x = 99,295.99
  5. Step 5: Solve for x
    x = 99,295.99/303.20
  6. Step 6: Final answer
    x = 327.49

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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.