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Finding the Fourth Proportional to 433.06, 598.26 and 346.12

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Solution

The fourth proportional to 433.06, 598.26 and 346.12 is: 478.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.06 : 598.26 = 346.12 : x
  2. Step 2: Convert to fraction form
    433.06/598.26 = 346.12/x
  3. Step 3: Cross multiply
    433.06x = 598.26 × 346.12
  4. Step 4: Simplify right side
    433.06x = 207,069.75
  5. Step 5: Solve for x
    x = 207,069.75/433.06
  6. Step 6: Final answer
    x = 478.15

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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.