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Finding the Fourth Proportional to 1,064.08, 1,596.00 and 284.15

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Solution

The fourth proportional to 1,064.08, 1,596.00 and 284.15 is: 426.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.08 : 1,596.00 = 284.15 : x
  2. Step 2: Convert to fraction form
    1,064.08/1,596.00 = 284.15/x
  3. Step 3: Cross multiply
    1,064.08x = 1,596.00 × 284.15
  4. Step 4: Simplify right side
    1,064.08x = 453,496.70
  5. Step 5: Solve for x
    x = 453,496.70/1,064.08
  6. Step 6: Final answer
    x = 426.19

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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.