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Finding the Fourth Proportional to 433.60, 598.36 and 247.12

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Solution

The fourth proportional to 433.60, 598.36 and 247.12 is: 341.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.60 : 598.36 = 247.12 : x
  2. Step 2: Convert to fraction form
    433.60/598.36 = 247.12/x
  3. Step 3: Cross multiply
    433.60x = 598.36 × 247.12
  4. Step 4: Simplify right side
    433.60x = 147,866.72
  5. Step 5: Solve for x
    x = 147,866.72/433.60
  6. Step 6: Final answer
    x = 341.02

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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.