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Finding the Fourth Proportional to 433.61, 598.36 and 247.15

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Solution

The fourth proportional to 433.61, 598.36 and 247.15 is: 341.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.61 : 598.36 = 247.15 : x
  2. Step 2: Convert to fraction form
    433.61/598.36 = 247.15/x
  3. Step 3: Cross multiply
    433.61x = 598.36 × 247.15
  4. Step 4: Simplify right side
    433.61x = 147,880.45
  5. Step 5: Solve for x
    x = 147,880.45/433.61
  6. Step 6: Final answer
    x = 341.04

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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.