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Finding the Fourth Proportional to 895.20, 1,337.70 and 671.37

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Solution

The fourth proportional to 895.20, 1,337.70 and 671.37 is: 1,003.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.20 : 1,337.70 = 671.37 : x
  2. Step 2: Convert to fraction form
    895.20/1,337.70 = 671.37/x
  3. Step 3: Cross multiply
    895.20x = 1,337.70 × 671.37
  4. Step 4: Simplify right side
    895.20x = 898,089.15
  5. Step 5: Solve for x
    x = 898,089.15/895.20
  6. Step 6: Final answer
    x = 1,003.23

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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.