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Finding the Fourth Proportional to 580.02, 869.49 and 195.18

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Solution

The fourth proportional to 580.02, 869.49 and 195.18 is: 292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.02 : 869.49 = 195.18 : x
  2. Step 2: Convert to fraction form
    580.02/869.49 = 195.18/x
  3. Step 3: Cross multiply
    580.02x = 869.49 × 195.18
  4. Step 4: Simplify right side
    580.02x = 169,707.06
  5. Step 5: Solve for x
    x = 169,707.06/580.02
  6. Step 6: Final answer
    x = 292.59

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1.5x scale

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.