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Finding the Fourth Proportional to 637.59, 954.77 and 443.19

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Solution

The fourth proportional to 637.59, 954.77 and 443.19 is: 663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.59 : 954.77 = 443.19 : x
  2. Step 2: Convert to fraction form
    637.59/954.77 = 443.19/x
  3. Step 3: Cross multiply
    637.59x = 954.77 × 443.19
  4. Step 4: Simplify right side
    637.59x = 423,142.30
  5. Step 5: Solve for x
    x = 423,142.30/637.59
  6. Step 6: Final answer
    x = 663.66

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Double scale
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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.