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Finding the Fourth Proportional to 1,546.48, 2,320.53 and 622.13

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Solution

The fourth proportional to 1,546.48, 2,320.53 and 622.13 is: 933.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.48 : 2,320.53 = 622.13 : x
  2. Step 2: Convert to fraction form
    1,546.48/2,320.53 = 622.13/x
  3. Step 3: Cross multiply
    1,546.48x = 2,320.53 × 622.13
  4. Step 4: Simplify right side
    1,546.48x = 1,443,668.22
  5. Step 5: Solve for x
    x = 1,443,668.22/1,546.48
  6. Step 6: Final answer
    x = 933.52

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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.