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Finding the Fourth Proportional to 684.28, 944.07 and 526.96

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Solution

The fourth proportional to 684.28, 944.07 and 526.96 is: 727.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    684.28 : 944.07 = 526.96 : x
  2. Step 2: Convert to fraction form
    684.28/944.07 = 526.96/x
  3. Step 3: Cross multiply
    684.28x = 944.07 × 526.96
  4. Step 4: Simplify right side
    684.28x = 497,487.13
  5. Step 5: Solve for x
    x = 497,487.13/684.28
  6. Step 6: Final answer
    x = 727.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.