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Finding the Fourth Proportional to 1,026.23, 1,539.54 and 295.79

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Solution

The fourth proportional to 1,026.23, 1,539.54 and 295.79 is: 443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.23 : 1,539.54 = 295.79 : x
  2. Step 2: Convert to fraction form
    1,026.23/1,539.54 = 295.79/x
  3. Step 3: Cross multiply
    1,026.23x = 1,539.54 × 295.79
  4. Step 4: Simplify right side
    1,026.23x = 455,372.84
  5. Step 5: Solve for x
    x = 455,372.84/1,026.23
  6. Step 6: Final answer
    x = 443.74

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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.