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Finding the Fourth Proportional to 601.93, 902.90 and 345.25

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Solution

The fourth proportional to 601.93, 902.90 and 345.25 is: 517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.93 : 902.90 = 345.25 : x
  2. Step 2: Convert to fraction form
    601.93/902.90 = 345.25/x
  3. Step 3: Cross multiply
    601.93x = 902.90 × 345.25
  4. Step 4: Simplify right side
    601.93x = 311,726.23
  5. Step 5: Solve for x
    x = 311,726.23/601.93
  6. Step 6: Final answer
    x = 517.88

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Double scale
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Similar ratio
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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.