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Finding the Fourth Proportional to 433.62, 598.32 and 258.98

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Solution

The fourth proportional to 433.62, 598.32 and 258.98 is: 357.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.62 : 598.32 = 258.98 : x
  2. Step 2: Convert to fraction form
    433.62/598.32 = 258.98/x
  3. Step 3: Cross multiply
    433.62x = 598.32 × 258.98
  4. Step 4: Simplify right side
    433.62x = 154,949.92
  5. Step 5: Solve for x
    x = 154,949.92/433.62
  6. Step 6: Final answer
    x = 357.34

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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.