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Finding the Fourth Proportional to 538.96, 808.08 and 295.66

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Solution

The fourth proportional to 538.96, 808.08 and 295.66 is: 443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    538.96 : 808.08 = 295.66 : x
  2. Step 2: Convert to fraction form
    538.96/808.08 = 295.66/x
  3. Step 3: Cross multiply
    538.96x = 808.08 × 295.66
  4. Step 4: Simplify right side
    538.96x = 238,916.93
  5. Step 5: Solve for x
    x = 238,916.93/538.96
  6. Step 6: Final answer
    x = 443.29

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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.