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Finding the Fourth Proportional to 315.01, 434.73 and 237.25

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Solution

The fourth proportional to 315.01, 434.73 and 237.25 is: 327.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    315.01 : 434.73 = 237.25 : x
  2. Step 2: Convert to fraction form
    315.01/434.73 = 237.25/x
  3. Step 3: Cross multiply
    315.01x = 434.73 × 237.25
  4. Step 4: Simplify right side
    315.01x = 103,139.69
  5. Step 5: Solve for x
    x = 103,139.69/315.01
  6. Step 6: Final answer
    x = 327.42

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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.