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Finding the Fourth Proportional to 580.36, 870.27 and 336.96

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Solution

The fourth proportional to 580.36, 870.27 and 336.96 is: 505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.36 : 870.27 = 336.96 : x
  2. Step 2: Convert to fraction form
    580.36/870.27 = 336.96/x
  3. Step 3: Cross multiply
    580.36x = 870.27 × 336.96
  4. Step 4: Simplify right side
    580.36x = 293,246.18
  5. Step 5: Solve for x
    x = 293,246.18/580.36
  6. Step 6: Final answer
    x = 505.28

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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.