Home / 1,168.20-1,752.29-302.45

Finding the Fourth Proportional to 1,168.20, 1,752.29 and 302.45

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Solution

The fourth proportional to 1,168.20, 1,752.29 and 302.45 is: 453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.20 : 1,752.29 = 302.45 : x
  2. Step 2: Convert to fraction form
    1,168.20/1,752.29 = 302.45/x
  3. Step 3: Cross multiply
    1,168.20x = 1,752.29 × 302.45
  4. Step 4: Simplify right side
    1,168.20x = 529,969.84
  5. Step 5: Solve for x
    x = 529,969.84/1,168.20
  6. Step 6: Final answer
    x = 453.66

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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.