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Finding the Fourth Proportional to 898.81, 1,337.44 and 895.73

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Solution

The fourth proportional to 898.81, 1,337.44 and 895.73 is: 1,332.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    898.81 : 1,337.44 = 895.73 : x
  2. Step 2: Convert to fraction form
    898.81/1,337.44 = 895.73/x
  3. Step 3: Cross multiply
    898.81x = 1,337.44 × 895.73
  4. Step 4: Simplify right side
    898.81x = 1,197,989.50
  5. Step 5: Solve for x
    x = 1,197,989.50/898.81
  6. Step 6: Final answer
    x = 1,332.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.