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Finding the Fourth Proportional to 341.81, 472.07 and 237.05

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Solution

The fourth proportional to 341.81, 472.07 and 237.05 is: 327.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.81 : 472.07 = 237.05 : x
  2. Step 2: Convert to fraction form
    341.81/472.07 = 237.05/x
  3. Step 3: Cross multiply
    341.81x = 472.07 × 237.05
  4. Step 4: Simplify right side
    341.81x = 111,904.19
  5. Step 5: Solve for x
    x = 111,904.19/341.81
  6. Step 6: Final answer
    x = 327.39

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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.