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Finding the Fourth Proportional to 633.58, 945.40 and 560.68

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Solution

The fourth proportional to 633.58, 945.40 and 560.68 is: 836.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.58 : 945.40 = 560.68 : x
  2. Step 2: Convert to fraction form
    633.58/945.40 = 560.68/x
  3. Step 3: Cross multiply
    633.58x = 945.40 × 560.68
  4. Step 4: Simplify right side
    633.58x = 530,066.87
  5. Step 5: Solve for x
    x = 530,066.87/633.58
  6. Step 6: Final answer
    x = 836.62

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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.