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Finding the Fourth Proportional to 345.26, 474.52 and 295.76

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Solution

The fourth proportional to 345.26, 474.52 and 295.76 is: 406.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    345.26 : 474.52 = 295.76 : x
  2. Step 2: Convert to fraction form
    345.26/474.52 = 295.76/x
  3. Step 3: Cross multiply
    345.26x = 474.52 × 295.76
  4. Step 4: Simplify right side
    345.26x = 140,344.04
  5. Step 5: Solve for x
    x = 140,344.04/345.26
  6. Step 6: Final answer
    x = 406.49

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.