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Finding the Fourth Proportional to 1,175.50, 1,622.24 and 651.52

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Solution

The fourth proportional to 1,175.50, 1,622.24 and 651.52 is: 899.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.50 : 1,622.24 = 651.52 : x
  2. Step 2: Convert to fraction form
    1,175.50/1,622.24 = 651.52/x
  3. Step 3: Cross multiply
    1,175.50x = 1,622.24 × 651.52
  4. Step 4: Simplify right side
    1,175.50x = 1,056,921.80
  5. Step 5: Solve for x
    x = 1,056,921.80/1,175.50
  6. Step 6: Final answer
    x = 899.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.