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Finding the Fourth Proportional to 559.08, 838.01 and 312.01

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Solution

The fourth proportional to 559.08, 838.01 and 312.01 is: 467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.08 : 838.01 = 312.01 : x
  2. Step 2: Convert to fraction form
    559.08/838.01 = 312.01/x
  3. Step 3: Cross multiply
    559.08x = 838.01 × 312.01
  4. Step 4: Simplify right side
    559.08x = 261,466.19
  5. Step 5: Solve for x
    x = 261,466.19/559.08
  6. Step 6: Final answer
    x = 467.67

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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.