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Finding the Fourth Proportional to 949.59, 1,311.03 and 595.62

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Solution

The fourth proportional to 949.59, 1,311.03 and 595.62 is: 822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.59 : 1,311.03 = 595.62 : x
  2. Step 2: Convert to fraction form
    949.59/1,311.03 = 595.62/x
  3. Step 3: Cross multiply
    949.59x = 1,311.03 × 595.62
  4. Step 4: Simplify right side
    949.59x = 780,875.69
  5. Step 5: Solve for x
    x = 780,875.69/949.59
  6. Step 6: Final answer
    x = 822.33

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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.