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Finding the Fourth Proportional to 295.96, 445.53 and 266.19

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Solution

The fourth proportional to 295.96, 445.53 and 266.19 is: 400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.96 : 445.53 = 266.19 : x
  2. Step 2: Convert to fraction form
    295.96/445.53 = 266.19/x
  3. Step 3: Cross multiply
    295.96x = 445.53 × 266.19
  4. Step 4: Simplify right side
    295.96x = 118,594.85
  5. Step 5: Solve for x
    x = 118,594.85/295.96
  6. Step 6: Final answer
    x = 400.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.