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Finding the Fourth Proportional to 440.43, 607.56 and 293.14

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Solution

The fourth proportional to 440.43, 607.56 and 293.14 is: 404.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.43 : 607.56 = 293.14 : x
  2. Step 2: Convert to fraction form
    440.43/607.56 = 293.14/x
  3. Step 3: Cross multiply
    440.43x = 607.56 × 293.14
  4. Step 4: Simplify right side
    440.43x = 178,100.14
  5. Step 5: Solve for x
    x = 178,100.14/440.43
  6. Step 6: Final answer
    x = 404.38

Related Problems

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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.