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Finding the Fourth Proportional to 1,062.48, 1,464.36 and 897.12

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Solution

The fourth proportional to 1,062.48, 1,464.36 and 897.12 is: 1,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.48 : 1,464.36 = 897.12 : x
  2. Step 2: Convert to fraction form
    1,062.48/1,464.36 = 897.12/x
  3. Step 3: Cross multiply
    1,062.48x = 1,464.36 × 897.12
  4. Step 4: Simplify right side
    1,062.48x = 1,313,706.64
  5. Step 5: Solve for x
    x = 1,313,706.64/1,062.48
  6. Step 6: Final answer
    x = 1,236.45

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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.