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Finding the Fourth Proportional to 1,052.53, 1,452.53 and 632.74

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Solution

The fourth proportional to 1,052.53, 1,452.53 and 632.74 is: 873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.53 : 1,452.53 = 632.74 : x
  2. Step 2: Convert to fraction form
    1,052.53/1,452.53 = 632.74/x
  3. Step 3: Cross multiply
    1,052.53x = 1,452.53 × 632.74
  4. Step 4: Simplify right side
    1,052.53x = 919,073.83
  5. Step 5: Solve for x
    x = 919,073.83/1,052.53
  6. Step 6: Final answer
    x = 873.20

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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.