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Finding the Fourth Proportional to 433.94, 599.22 and 316.58

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Solution

The fourth proportional to 433.94, 599.22 and 316.58 is: 437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.94 : 599.22 = 316.58 : x
  2. Step 2: Convert to fraction form
    433.94/599.22 = 316.58/x
  3. Step 3: Cross multiply
    433.94x = 599.22 × 316.58
  4. Step 4: Simplify right side
    433.94x = 189,702.57
  5. Step 5: Solve for x
    x = 189,702.57/433.94
  6. Step 6: Final answer
    x = 437.16

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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.