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Finding the Fourth Proportional to 1,052.14, 1,450.83 and 702.22

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Solution

The fourth proportional to 1,052.14, 1,450.83 and 702.22 is: 968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.14 : 1,450.83 = 702.22 : x
  2. Step 2: Convert to fraction form
    1,052.14/1,450.83 = 702.22/x
  3. Step 3: Cross multiply
    1,052.14x = 1,450.83 × 702.22
  4. Step 4: Simplify right side
    1,052.14x = 1,018,801.84
  5. Step 5: Solve for x
    x = 1,018,801.84/1,052.14
  6. Step 6: Final answer
    x = 968.31

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1.5x scale

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.