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Finding the Fourth Proportional to 433.79, 598.48 and 247.22

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Solution

The fourth proportional to 433.79, 598.48 and 247.22 is: 341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.79 : 598.48 = 247.22 : x
  2. Step 2: Convert to fraction form
    433.79/598.48 = 247.22/x
  3. Step 3: Cross multiply
    433.79x = 598.48 × 247.22
  4. Step 4: Simplify right side
    433.79x = 147,956.23
  5. Step 5: Solve for x
    x = 147,956.23/433.79
  6. Step 6: Final answer
    x = 341.08

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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.