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Finding the Fourth Proportional to 1,556.01, 2,334.24 and 460.23

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Solution

The fourth proportional to 1,556.01, 2,334.24 and 460.23 is: 690.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.01 : 2,334.24 = 460.23 : x
  2. Step 2: Convert to fraction form
    1,556.01/2,334.24 = 460.23/x
  3. Step 3: Cross multiply
    1,556.01x = 2,334.24 × 460.23
  4. Step 4: Simplify right side
    1,556.01x = 1,074,287.28
  5. Step 5: Solve for x
    x = 1,074,287.28/1,556.01
  6. Step 6: Final answer
    x = 690.41

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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.