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Finding the Fourth Proportional to 295.34, 439.03 and 286.59

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Solution

The fourth proportional to 295.34, 439.03 and 286.59 is: 426.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.34 : 439.03 = 286.59 : x
  2. Step 2: Convert to fraction form
    295.34/439.03 = 286.59/x
  3. Step 3: Cross multiply
    295.34x = 439.03 × 286.59
  4. Step 4: Simplify right side
    295.34x = 125,820.17
  5. Step 5: Solve for x
    x = 125,820.17/295.34
  6. Step 6: Final answer
    x = 426.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.