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Finding the Fourth Proportional to 433.42, 598.07 and 256.34

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Solution

The fourth proportional to 433.42, 598.07 and 256.34 is: 353.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.42 : 598.07 = 256.34 : x
  2. Step 2: Convert to fraction form
    433.42/598.07 = 256.34/x
  3. Step 3: Cross multiply
    433.42x = 598.07 × 256.34
  4. Step 4: Simplify right side
    433.42x = 153,311.40
  5. Step 5: Solve for x
    x = 153,311.40/433.42
  6. Step 6: Final answer
    x = 353.73

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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.