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Finding the Fourth Proportional to 637.50, 955.48 and 329.18

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Solution

The fourth proportional to 637.50, 955.48 and 329.18 is: 493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.50 : 955.48 = 329.18 : x
  2. Step 2: Convert to fraction form
    637.50/955.48 = 329.18/x
  3. Step 3: Cross multiply
    637.50x = 955.48 × 329.18
  4. Step 4: Simplify right side
    637.50x = 314,523.57
  5. Step 5: Solve for x
    x = 314,523.57/637.50
  6. Step 6: Final answer
    x = 493.37

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1.5x scale

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.