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Finding the Fourth Proportional to 1,087.02, 1,628.93 and 593.35

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Solution

The fourth proportional to 1,087.02, 1,628.93 and 593.35 is: 889.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087.02 : 1,628.93 = 593.35 : x
  2. Step 2: Convert to fraction form
    1,087.02/1,628.93 = 593.35/x
  3. Step 3: Cross multiply
    1,087.02x = 1,628.93 × 593.35
  4. Step 4: Simplify right side
    1,087.02x = 966,525.62
  5. Step 5: Solve for x
    x = 966,525.62/1,087.02
  6. Step 6: Final answer
    x = 889.15

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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.