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Finding the Fourth Proportional to 345.95, 474.58 and 335.54

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Solution

The fourth proportional to 345.95, 474.58 and 335.54 is: 460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    345.95 : 474.58 = 335.54 : x
  2. Step 2: Convert to fraction form
    345.95/474.58 = 335.54/x
  3. Step 3: Cross multiply
    345.95x = 474.58 × 335.54
  4. Step 4: Simplify right side
    345.95x = 159,240.57
  5. Step 5: Solve for x
    x = 159,240.57/345.95
  6. Step 6: Final answer
    x = 460.30

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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.