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Finding the Fourth Proportional to 435.05, 599.75 and 368.39

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Solution

The fourth proportional to 435.05, 599.75 and 368.39 is: 507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.05 : 599.75 = 368.39 : x
  2. Step 2: Convert to fraction form
    435.05/599.75 = 368.39/x
  3. Step 3: Cross multiply
    435.05x = 599.75 × 368.39
  4. Step 4: Simplify right side
    435.05x = 220,944.32
  5. Step 5: Solve for x
    x = 220,944.32/435.05
  6. Step 6: Final answer
    x = 507.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.