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Finding the Fourth Proportional to 300.55, 448.58 and 293.26

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Solution

The fourth proportional to 300.55, 448.58 and 293.26 is: 437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.55 : 448.58 = 293.26 : x
  2. Step 2: Convert to fraction form
    300.55/448.58 = 293.26/x
  3. Step 3: Cross multiply
    300.55x = 448.58 × 293.26
  4. Step 4: Simplify right side
    300.55x = 131,550.57
  5. Step 5: Solve for x
    x = 131,550.57/300.55
  6. Step 6: Final answer
    x = 437.70

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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.