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Finding the Fourth Proportional to 633.40, 950.34 and 631.48

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Solution

The fourth proportional to 633.40, 950.34 and 631.48 is: 947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.40 : 950.34 = 631.48 : x
  2. Step 2: Convert to fraction form
    633.40/950.34 = 631.48/x
  3. Step 3: Cross multiply
    633.40x = 950.34 × 631.48
  4. Step 4: Simplify right side
    633.40x = 600,120.70
  5. Step 5: Solve for x
    x = 600,120.70/633.40
  6. Step 6: Final answer
    x = 947.46

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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.