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Finding the Fourth Proportional to 601.14, 901.65 and 211.33

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Solution

The fourth proportional to 601.14, 901.65 and 211.33 is: 316.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.14 : 901.65 = 211.33 : x
  2. Step 2: Convert to fraction form
    601.14/901.65 = 211.33/x
  3. Step 3: Cross multiply
    601.14x = 901.65 × 211.33
  4. Step 4: Simplify right side
    601.14x = 190,547.61
  5. Step 5: Solve for x
    x = 190,547.61/601.14
  6. Step 6: Final answer
    x = 316.98

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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.