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Finding the Fourth Proportional to 594.29, 891.48 and 161.45

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Solution

The fourth proportional to 594.29, 891.48 and 161.45 is: 242.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.29 : 891.48 = 161.45 : x
  2. Step 2: Convert to fraction form
    594.29/891.48 = 161.45/x
  3. Step 3: Cross multiply
    594.29x = 891.48 × 161.45
  4. Step 4: Simplify right side
    594.29x = 143,929.45
  5. Step 5: Solve for x
    x = 143,929.45/594.29
  6. Step 6: Final answer
    x = 242.19

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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.