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Finding the Fourth Proportional to 601.02, 901.56 and 211.02

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Solution

The fourth proportional to 601.02, 901.56 and 211.02 is: 316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.02 : 901.56 = 211.02 : x
  2. Step 2: Convert to fraction form
    601.02/901.56 = 211.02/x
  3. Step 3: Cross multiply
    601.02x = 901.56 × 211.02
  4. Step 4: Simplify right side
    601.02x = 190,247.19
  5. Step 5: Solve for x
    x = 190,247.19/601.02
  6. Step 6: Final answer
    x = 316.54

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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.