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Finding the Fourth Proportional to 433.56, 598.29 and 256.52

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Solution

The fourth proportional to 433.56, 598.29 and 256.52 is: 353.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.56 : 598.29 = 256.52 : x
  2. Step 2: Convert to fraction form
    433.56/598.29 = 256.52/x
  3. Step 3: Cross multiply
    433.56x = 598.29 × 256.52
  4. Step 4: Simplify right side
    433.56x = 153,473.35
  5. Step 5: Solve for x
    x = 153,473.35/433.56
  6. Step 6: Final answer
    x = 353.98

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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.