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Finding the Fourth Proportional to 889.01, 1,225.37 and 594.17

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Solution

The fourth proportional to 889.01, 1,225.37 and 594.17 is: 818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    889.01 : 1,225.37 = 594.17 : x
  2. Step 2: Convert to fraction form
    889.01/1,225.37 = 594.17/x
  3. Step 3: Cross multiply
    889.01x = 1,225.37 × 594.17
  4. Step 4: Simplify right side
    889.01x = 728,075.12
  5. Step 5: Solve for x
    x = 728,075.12/889.01
  6. Step 6: Final answer
    x = 818.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.