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Finding the Fourth Proportional to 1,552.05, 2,328.53 and 627.13

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Solution

The fourth proportional to 1,552.05, 2,328.53 and 627.13 is: 940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.05 : 2,328.53 = 627.13 : x
  2. Step 2: Convert to fraction form
    1,552.05/2,328.53 = 627.13/x
  3. Step 3: Cross multiply
    1,552.05x = 2,328.53 × 627.13
  4. Step 4: Simplify right side
    1,552.05x = 1,460,291.02
  5. Step 5: Solve for x
    x = 1,460,291.02/1,552.05
  6. Step 6: Final answer
    x = 940.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.