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Finding the Fourth Proportional to 423.51, 584.43 and 237.01

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Solution

The fourth proportional to 423.51, 584.43 and 237.01 is: 327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.51 : 584.43 = 237.01 : x
  2. Step 2: Convert to fraction form
    423.51/584.43 = 237.01/x
  3. Step 3: Cross multiply
    423.51x = 584.43 × 237.01
  4. Step 4: Simplify right side
    423.51x = 138,515.83
  5. Step 5: Solve for x
    x = 138,515.83/423.51
  6. Step 6: Final answer
    x = 327.06

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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.