Home / 1,022.08-1,533.36-291.66

Finding the Fourth Proportional to 1,022.08, 1,533.36 and 291.66

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Solution

The fourth proportional to 1,022.08, 1,533.36 and 291.66 is: 437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.08 : 1,533.36 = 291.66 : x
  2. Step 2: Convert to fraction form
    1,022.08/1,533.36 = 291.66/x
  3. Step 3: Cross multiply
    1,022.08x = 1,533.36 × 291.66
  4. Step 4: Simplify right side
    1,022.08x = 447,219.78
  5. Step 5: Solve for x
    x = 447,219.78/1,022.08
  6. Step 6: Final answer
    x = 437.56

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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.