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Finding the Fourth Proportional to 937.95, 1,295.69 and 677.33

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Solution

The fourth proportional to 937.95, 1,295.69 and 677.33 is: 935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.95 : 1,295.69 = 677.33 : x
  2. Step 2: Convert to fraction form
    937.95/1,295.69 = 677.33/x
  3. Step 3: Cross multiply
    937.95x = 1,295.69 × 677.33
  4. Step 4: Simplify right side
    937.95x = 877,609.71
  5. Step 5: Solve for x
    x = 877,609.71/937.95
  6. Step 6: Final answer
    x = 935.67

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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.