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Finding the Fourth Proportional to 633.60, 944.64 and 607.68

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Solution

The fourth proportional to 633.60, 944.64 and 607.68 is: 906.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.60 : 944.64 = 607.68 : x
  2. Step 2: Convert to fraction form
    633.60/944.64 = 607.68/x
  3. Step 3: Cross multiply
    633.60x = 944.64 × 607.68
  4. Step 4: Simplify right side
    633.60x = 574,038.84
  5. Step 5: Solve for x
    x = 574,038.84/633.60
  6. Step 6: Final answer
    x = 906.00

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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.