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Finding the Fourth Proportional to 1,053.17, 1,452.24 and 738.33

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Solution

The fourth proportional to 1,053.17, 1,452.24 and 738.33 is: 1,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.17 : 1,452.24 = 738.33 : x
  2. Step 2: Convert to fraction form
    1,053.17/1,452.24 = 738.33/x
  3. Step 3: Cross multiply
    1,053.17x = 1,452.24 × 738.33
  4. Step 4: Simplify right side
    1,053.17x = 1,072,232.36
  5. Step 5: Solve for x
    x = 1,072,232.36/1,053.17
  6. Step 6: Final answer
    x = 1,018.10

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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.