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Finding the Fourth Proportional to 637.95, 955.06 and 484.49

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Solution

The fourth proportional to 637.95, 955.06 and 484.49 is: 725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.95 : 955.06 = 484.49 : x
  2. Step 2: Convert to fraction form
    637.95/955.06 = 484.49/x
  3. Step 3: Cross multiply
    637.95x = 955.06 × 484.49
  4. Step 4: Simplify right side
    637.95x = 462,718.20
  5. Step 5: Solve for x
    x = 462,718.20/637.95
  6. Step 6: Final answer
    x = 725.32

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Double scale
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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.