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Finding the Fourth Proportional to 492.29, 737.03 and 345.69

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Solution

The fourth proportional to 492.29, 737.03 and 345.69 is: 517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.29 : 737.03 = 345.69 : x
  2. Step 2: Convert to fraction form
    492.29/737.03 = 345.69/x
  3. Step 3: Cross multiply
    492.29x = 737.03 × 345.69
  4. Step 4: Simplify right side
    492.29x = 254,782.17
  5. Step 5: Solve for x
    x = 254,782.17/492.29
  6. Step 6: Final answer
    x = 517.55

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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.