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Finding the Fourth Proportional to 944.12, 1,416.08 and 637.94

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Solution

The fourth proportional to 944.12, 1,416.08 and 637.94 is: 956.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.12 : 1,416.08 = 637.94 : x
  2. Step 2: Convert to fraction form
    944.12/1,416.08 = 637.94/x
  3. Step 3: Cross multiply
    944.12x = 1,416.08 × 637.94
  4. Step 4: Simplify right side
    944.12x = 903,363.81
  5. Step 5: Solve for x
    x = 903,363.81/944.12
  6. Step 6: Final answer
    x = 956.84

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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.