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Finding the Fourth Proportional to 650, 974 and 341.60

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Solution

The fourth proportional to 650, 974 and 341.60 is: 511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    650 : 974 = 341.60 : x
  2. Step 2: Convert to fraction form
    650/974 = 341.60/x
  3. Step 3: Cross multiply
    650x = 974 × 341.60
  4. Step 4: Simplify right side
    650x = 332,718.40
  5. Step 5: Solve for x
    x = 332,718.40/650
  6. Step 6: Final answer
    x = 511.87

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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.