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Finding the Fourth Proportional to 600.66, 901.38 and 312

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Solution

The fourth proportional to 600.66, 901.38 and 312 is: 468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.66 : 901.38 = 312 : x
  2. Step 2: Convert to fraction form
    600.66/901.38 = 312/x
  3. Step 3: Cross multiply
    600.66x = 901.38 × 312
  4. Step 4: Simplify right side
    600.66x = 281,230.56
  5. Step 5: Solve for x
    x = 281,230.56/600.66
  6. Step 6: Final answer
    x = 468.20

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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.