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Finding the Fourth Proportional to 637.80, 950.98 and 632.12

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Solution

The fourth proportional to 637.80, 950.98 and 632.12 is: 942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.80 : 950.98 = 632.12 : x
  2. Step 2: Convert to fraction form
    637.80/950.98 = 632.12/x
  3. Step 3: Cross multiply
    637.80x = 950.98 × 632.12
  4. Step 4: Simplify right side
    637.80x = 601,133.48
  5. Step 5: Solve for x
    x = 601,133.48/637.80
  6. Step 6: Final answer
    x = 942.51

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.