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Finding the Fourth Proportional to 628.97, 943.44 and 304.11

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Solution

The fourth proportional to 628.97, 943.44 and 304.11 is: 456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    628.97 : 943.44 = 304.11 : x
  2. Step 2: Convert to fraction form
    628.97/943.44 = 304.11/x
  3. Step 3: Cross multiply
    628.97x = 943.44 × 304.11
  4. Step 4: Simplify right side
    628.97x = 286,904.82
  5. Step 5: Solve for x
    x = 286,904.82/628.97
  6. Step 6: Final answer
    x = 456.15

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Double scale
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Similar ratio
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1.5x scale

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.