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Finding the Fourth Proportional to 895.96, 1,343.96 and 246.72

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Solution

The fourth proportional to 895.96, 1,343.96 and 246.72 is: 370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.96 : 1,343.96 = 246.72 : x
  2. Step 2: Convert to fraction form
    895.96/1,343.96 = 246.72/x
  3. Step 3: Cross multiply
    895.96x = 1,343.96 × 246.72
  4. Step 4: Simplify right side
    895.96x = 331,581.81
  5. Step 5: Solve for x
    x = 331,581.81/895.96
  6. Step 6: Final answer
    x = 370.09

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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.