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Finding the Fourth Proportional to 684.03, 944.42 and 526.39

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Solution

The fourth proportional to 684.03, 944.42 and 526.39 is: 726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    684.03 : 944.42 = 526.39 : x
  2. Step 2: Convert to fraction form
    684.03/944.42 = 526.39/x
  3. Step 3: Cross multiply
    684.03x = 944.42 × 526.39
  4. Step 4: Simplify right side
    684.03x = 497,127.21
  5. Step 5: Solve for x
    x = 497,127.21/684.03
  6. Step 6: Final answer
    x = 726.76

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Double scale
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1.5x scale

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.