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Finding the Fourth Proportional to 488.36, 732.90 and 350.12

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Solution

The fourth proportional to 488.36, 732.90 and 350.12 is: 525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.36 : 732.90 = 350.12 : x
  2. Step 2: Convert to fraction form
    488.36/732.90 = 350.12/x
  3. Step 3: Cross multiply
    488.36x = 732.90 × 350.12
  4. Step 4: Simplify right side
    488.36x = 256,602.95
  5. Step 5: Solve for x
    x = 256,602.95/488.36
  6. Step 6: Final answer
    x = 525.44

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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.