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Finding the Fourth Proportional to 598.79, 898.25 and 291.17

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Solution

The fourth proportional to 598.79, 898.25 and 291.17 is: 436.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.79 : 898.25 = 291.17 : x
  2. Step 2: Convert to fraction form
    598.79/898.25 = 291.17/x
  3. Step 3: Cross multiply
    598.79x = 898.25 × 291.17
  4. Step 4: Simplify right side
    598.79x = 261,537.51
  5. Step 5: Solve for x
    x = 261,537.51/598.79
  6. Step 6: Final answer
    x = 436.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.